Table of Contents
- What's New for 2012
- Introduction
- Topics - This chapter discusses:
- Useful Items - You may want to see:
- Overview of Depreciation
- What Property Can Be Depreciated?
- What Property Cannot Be Depreciated?
- When Does Depreciation Begin and End?
- Can You Use MACRS To Depreciate Your Property?
- What Is the Basis of Your Depreciable Property?
- How Do You Treat Repairs and Improvements?
- Do You Have To File Form 4562?
- How Do You Correct Depreciation Deductions?
- Section 179 Expense Deduction
- Claiming the Special Depreciation Allowance
- Figuring Depreciation Under MACRS
- Which Depreciation System (GDS or ADS) Applies?
- Which Property Class Applies Under GDS?
- What Is the Placed-in-Service Date?
- What Is the Basis for Depreciation?
- Which Recovery Period Applies?
- Which Convention Applies?
- Which Depreciation Method Applies?
- How Is the Depreciation Deduction Figured?
- How Do You Use General Asset Accounts?
- When Do You Recapture MACRS Depreciation?
- Additional Rules for Listed Property
- Depletion
- Amortization
Decreased section 179 expense deduction dollar limits. The maximum amount you can elect to deduct for most section 179 property you placed in service in 2012 is $139,000. This limit is reduced by the amount by which the cost of the property placed in service during the tax year exceeds $560,000. See Dollar Limits under Section 179 Expense Deduction , later.
Expiration of special depreciation allowance for certain qualified property acquired after September 8, 2010. The 100% special depreciation allowance will only apply to certain property with a long production period and certain aircraft placed in service before January 1, 2013. See Claiming the Special Depreciation Allowance , later.
Expiration of special depreciation allowance for certain qualified property acquired after December 31, 2007. . The 50% special depreciation allowance for certain qualified property acquired after December 31, 2007, will expire for most property placed in service after December 31, 2012. See Claiming the Special Depreciation Allowance , later.
If you buy or make improvements to farm property such as machinery, equipment, livestock, or a structure with a useful life of more than a year, you generally cannot deduct its entire cost in one year. Instead, you must spread the cost over the time you use the property and deduct part of it each year. For most types of property, this is called depreciation.
This chapter gives information on depreciation methods that generally apply to property placed in service after 1986. For information on depreciating pre-1987 property, see Publication 534, Depreciating Property Placed in Service Before 1987.
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Overview of depreciation
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Section 179 expense deduction
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Special depreciation allowance
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Modified Accelerated Cost Recovery
System (MACRS) -
Listed property
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Basic information on cost depletion (including timber depletion) and percentage depletion
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Amortization of the costs of going into business, reforestation costs, the costs of pollution control facilities, and the costs of section 197 intangibles
Publication
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463 Travel, Entertainment, Gift, and Car Expenses
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534 Depreciating Property Placed in Service Before 1987
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535 Business Expenses
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544 Sales and Other Dispositions of Assets
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551 Basis of Assets
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946 How To Depreciate Property
Form (and Instructions)
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T (Timber), Forest Activities Schedule
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3115 Application for Change in Accounting Method
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4562 Depreciation and Amortization
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4797 Sales of Business Property
See chapter 16 for information about getting publications and forms.

This overview discusses basic information on the following.
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What property can be depreciated.
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What property cannot be depreciated.
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When depreciation begins and ends.
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Whether MACRS can be used to figure depreciation.
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What is the basis of your depreciable property.
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How to treat repairs and improvements.
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When you must file Form 4562.
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How you can correct depreciation claimed incorrectly.
You can depreciate most types of tangible property (except land), such as buildings, machinery, equipment, vehicles, certain livestock, and furniture. You can also depreciate certain intangible property, such as copyrights, patents, and computer software. To be depreciable, the property must meet all the following requirements.
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It must be property you own.
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It must be used in your business or income-producing activity.
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It must have a determinable useful life.
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It must have a useful life that extends substantially beyond the year you place it in service.
To claim depreciation, you usually must be the owner of the property. You are considered as owning property even if it is subject to a debt.
To claim depreciation on property, you must use it in your business or income-producing activity. If you use property to produce income (investment use), the income must be taxable. You cannot depreciate property that you use solely for personal activities. However, if you use property for business or investment purposes and for personal purposes, you can deduct depreciation based only on the percentage of business or investment use.
To be depreciable, your property must have a determinable useful life. This means it must be something that wears out, decays, gets used up, becomes obsolete, or loses its value from natural causes.
Certain property cannot be depreciated, even if the requirements explained earlier are met. This includes the following.
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Land. You can never depreciate the cost of land because land does not wear out, become obsolete, or get used up. The cost of land generally includes the cost of clearing, grading, planting, and landscaping. Although you cannot depreciate land, you can depreciate certain costs incurred in preparing land for business use. See chapter 1 of Publication 946.
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Property placed in service and disposed of in the same year. Determining when property is placed in service is explained later.
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Equipment used to build capital improvements. You must add otherwise allowable depreciation on the equipment during the period of construction to the basis of your improvements.
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Intangible property such as section 197 intangibles. This property does not have a determinable useful life and generally cannot be depreciated. However, see Amortization , later. Special rules apply to computer software (discussed below).
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Certain term interests (discussed below).
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It is readily available for purchase by the general public.
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It is subject to a nonexclusive license.
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It has not been substantially modified.
You begin to depreciate your property when you place it in service for use in your trade or business or for the production of income. You stop depreciating property either when you have fully recovered your cost or other basis or when you retire it from service, whichever happens first.
Property is placed in service when it is ready and available for a specific use, whether in a business activity, an income-producing activity, a tax-exempt activity, or a personal activity. Even if you are not using the property, it is in service when it is ready and available for its specific use.
Example.
You bought a planter for use in your farm business. The planter was delivered in December 2011 after harvest was over. You begin to depreciate the planter for 2011 because it was ready and available for its specific use in 2011, even though it will not be used until the spring of 2012.
If your planter comes unassembled in December 2011 and is put together in February 2012, it is not placed in service until 2012. You begin to depreciate it in 2012.
If your planter was delivered and assembled in February 2012 but not used until April 2012, it is placed in service in February 2012, because this is when the planter was ready for its specified use. You begin to depreciate it in 2012.
Continue to claim a deduction for depreciation on property used in your business or for the production of income even if it is temporarily idle. For example, if you stop using a machine because there is a temporary lack of a market for a product made with that machine, continue to deduct depreciation on the machine.
You stop depreciating property when you have fully recovered your cost or other basis. This happens when your section 179 and allowed or allowable depreciation deductions equal your cost or investment in the property.
You stop depreciating property when you retire it from service, even if you have not fully recovered its cost or other basis. You retire property from service when you permanently withdraw it from use in a trade or business or from use in the production of income because of any of the following events.
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You sell or exchange the property.
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You convert the property to personal use.
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You abandon the property.
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You transfer the property to a supplies or scrap account.
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The property is destroyed.
For information on abandonment of property, see chapter 8. For information on destroyed property, see chapter 11 and Publication 547, Casualties, Disasters, and Thefts.
You must use the Modified Accelerated Cost Recovery System (MACRS) to depreciate most business and investment property placed in service after 1986. MACRS is explained later under Figuring Depreciation Under MACRS .
You cannot use MACRS to depreciate the following property.
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Property you placed in service before 1987. Use the methods discussed in Publication 534.
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Certain property owned or used in 1986. See chapter 1 of Publication 946.
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Intangible property.
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Films, video tapes, and recordings.
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Certain corporate or partnership property acquired in a nontaxable transfer.
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Property you elected to exclude from MACRS.
For more information, see chapter 1 of Publication 946.
To figure your depreciation deduction, you must determine the basis of your property. To determine basis, you need to know the cost or other basis of your property.
You generally deduct the cost of repairing business property in the same way as any other business expense. However, if a repair or replacement increases the value of your property, makes it more useful, or lengthens its life, you must treat it as an improvement and depreciate it. Treat improvements as separate depreciable property. See chapter 1 of Publication 946 for more information.
Example.
You repair a small section on a corner of the roof of a barn that you rent to others. You deduct the cost of the repair as a business expense. However, if you replace the entire roof, the new roof is considered to be an improvement because it increases the value and lengthens the life for the property. You depreciate the cost of the new roof.
Use Form 4562 to claim your deduction for depreciation and amortization. You must complete and attach Form 4562 to your tax return if you are claiming any of the following.
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A section 179 expense deduction for the current year or a section 179 carryover from a prior year.
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Depreciation for property placed in service during the current year.
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Depreciation on any vehicle or other listed property, regardless of when it was placed in service.
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Amortization of costs that began in the current year.
For more information, see the Instructions for Form 4562.
If you deducted an incorrect amount of depreciation in any year, you may be able to make a correction by filing an amended return for that year. You can file an amended return to correct the amount of depreciation claimed for any property in any of the following situations.
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You claimed the incorrect amount because of a mathematical error made in any year.
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You claimed the incorrect amount because of a posting error made in any year, for example, omitting an asset from the depreciation schedule.
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You have not adopted a method of accounting for the property placed in service by you in tax years ending after December 29, 2003.
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You claimed the incorrect amount on property placed in service by you in tax years ending before December 30, 2003.
Note.
You have adopted a method of accounting if you used the same incorrect method of depreciation for two or more consecutively filed returns.
If you are not allowed to make the correction on an amended return, you may be able to change your accounting method to claim the correct amount of depreciation. See the Instructions for Form 3115.
You can elect to recover all or part of the cost of certain qualifying property, up to a limit, by deducting it in the year you place the property in service. This is the section 179 expense deduction. You can elect the section 179 expense deduction instead of recovering the cost by taking depreciation deductions.
This part of the chapter explains the rules for the section 179 expense deduction. It explains what property qualifies for the deduction, what property does not qualify for the deduction, the limits that may apply, how to elect the deduction, and when you may have to recapture the deduction.
For more information, see chapter 2 of Publication 946.
To qualify for the section 179 expense deduction, your property must meet all the following requirements.
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It must be eligible property.
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It must be acquired for business use.
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It must have been acquired by purchase.
To qualify for the section 179 expense deduction, your property must be one of the following types of depreciable property.
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Tangible personal property.
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Other tangible property (except buildings and their structural components) used as:
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An integral part of manufacturing, production, or extraction or of furnishing transportation, communications, electricity, gas, water, or sewage disposal services;
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A research facility used in connection with any of the activities in (a) above; or
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A facility used in connection with any of the activities in (a) for the bulk storage of fungible commodities.
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Single purpose agricultural (livestock) or horticultural structures.
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Storage facilities (except buildings and their structural components) used in connection with distributing petroleum or any primary product of petroleum.
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Off-the-shelf computer software that is readily available for purchase by the general public, is subject to a nonexclusive lease, and has not been substantially modified.
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Machinery and equipment.
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Property contained in or attached to a building (other than structural components), such as milk tanks, automatic feeders, barn cleaners, and office equipment.
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Gasoline storage tanks and pumps at retail service stations.
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Livestock, including horses, cattle, hogs, sheep, goats, and mink and other fur-bearing animals.
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To house, raise, and feed a particular type of livestock and its produce.
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To house the equipment, including any replacements, needed to house, raise, or feed the livestock.
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A greenhouse specifically designed, constructed, and used for the commercial production of plants.
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A structure specifically designed, constructed, and used for the commercial production of mushrooms.
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Stocking, caring for, or collecting livestock or plants or their produce.
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Maintaining the enclosure or structure.
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Maintaining or replacing the equipment or stock enclosed or housed in the structure.
To qualify for the section 179 expense deduction, your property must have been acquired by purchase. For example, property acquired by gift or inheritance does not qualify. Property acquired from a related person (that is, your spouse, ancestors, or lineal descendants) is not considered acquired by purchase.
Example.
Ken is a farmer. He purchased two tractors, one from his brother and one from his father. He placed both tractors in service in the same year he bought them. The tractor purchased from his father does not qualify for the section 179 expense deduction because he is a related person (as defined above). The tractor purchased from his brother does qualify for the deduction because Ken is not a related person (as defined above).
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Certain property you lease to others (if you are a noncorporate lessor).
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Certain property used predominantly to furnish lodging or in connection with the furnishing of lodging.
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Property used by a tax-exempt organization (other than a tax-exempt farmers' cooperative) unless the property is used mainly in a taxable unrelated trade or business.
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Property used by governmental units or foreign persons or entities (except property used under a lease with a term of less than 6 months).
Your section 179 expense deduction is generally the cost of the qualifying property. However, the total amount you can elect to deduct under section 179 is subject to a dollar limit and a business income limit. These limits apply to each taxpayer, not to each business. However, see Married individuals under Dollar Limits , later. See also the special rules for applying the limits for partnerships and S corporations under Partnerships and S Corporations , later.
If you deduct only part of the cost of qualifying property as a section 179 expense deduction, you can generally depreciate the cost you do not deduct.
Use Part I of Form 4562 to figure your section 179 expense deduction.
Example.
J-Bar Farms traded two cultivators having a total adjusted basis of $6,800 for a new cultivator costing $13,200. They received an $8,000 trade-in allowance for the old cultivators and paid $5,200 cash for the new cultivator. J-Bar also traded a used pickup truck with an adjusted basis of $8,000 for a new pickup truck costing $15,000. They received a $5,000 trade-in allowance and paid $10,000 cash for the new pickup truck.
Only the cash paid by J-Bar qualifies for the section 179 expense deduction. J-Bar's business costs that qualify for a section 179 expense deduction are $15,200 ($5,200 + $10,000).
The total amount you can elect to deduct under section 179 for most property placed in service in 2012 is $139,000. If you acquire and place in service more than one item of qualifying property during the year, you can allocate the section 179 expense deduction among the items in any way, as long as the total deduction is not more than $139,000.
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The dollar limit (after reduction for any cost of section 179 property over $560,000).
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The total cost of section 179 property you and your spouse elected to expense on your separate returns.
The total cost you can deduct each year after you apply the dollar limit is limited to the taxable income from the active conduct of any trade or business during the year. Generally, you are considered to actively conduct a trade or business if you meaningfully participate in the management or operations of the trade or business.
Any cost not deductible in one year under section 179 because of this limit can be carried to the next year. See Carryover of disallowed deduction , later.
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Section 1231 gains (or losses) as discussed in chapter 9.
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Interest from working capital of your trade or business.
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Wages, salaries, tips, or other pay earned by you (or your spouse if you file a joint return) as an employee of any employer.
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The section 179 expense deduction.
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The self-employment tax deduction.
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Any net operating loss carryback or carryforward.
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Any unreimbursed employee business expenses.
| Step | Action |
|---|---|
| 1 | Figure taxable income without the section 179 expense deduction or the other deduction. |
| 2 | Figure a hypothetical section 179 expense deduction using the taxable income figured in Step 1. |
| 3 | Subtract the hypothetical section 179 expense deduction figured in Step 2 from the taxable income figured in Step 1. |
| 4 | Figure a hypothetical amount for the other deduction using the amount figured in Step 3 as taxable income. |
| 5 | Subtract the hypothetical other deduction figured in Step 4 from the taxable income figured in Step 1. |
| 6 | Figure your actual section 179 expense deduction using the taxable income figured in Step 5. |
| 7 | Subtract your actual section 179 expense deduction figured in Step 6 from the taxable income figured in Step 1. |
| 8 | Figure your actual other deduction using the taxable income figured in Step 7. |
Example.
On February 1, 2012, the XYZ farm corporation purchased and placed in service qualifying section 179 property that cost $139,000. It elects to expense the entire $139,000 cost under section 179. In June, the corporation gave a charitable contribution of $10,000. A corporation's limit on charitable contributions is figured after subtracting any section 179 expense deduction. The business income limit for the section 179 expense deduction is figured after subtracting any allowable charitable contributions. XYZ's taxable income figured without the section 179 expense deduction or the deduction for charitable contributions is $159,000. XYZ figures its section 179 expense deduction and its deduction for charitable contributions as follows.
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Step 1. Taxable income figured without either deduction is $159,000. |
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Step 2. Using $159,000 as taxable income, XYZ's hypothetical section 179 expense deduction is $139,000. |
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Step 3. $20,000 ($159,000 − $139,000). |
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Step 4. Using $20,000 (from Step 3) as taxable income, XYZ's hypothetical charitable contribution (limited to 10% of taxable income) is $2,000. |
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Step 5. $157,000 ($159,000 − $2,000). |
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Step 6. Using $157,000 (from Step 5) as taxable income, XYZ figures the actual section 179 expense deduction. Because the taxable income is at least $139,000, XYZ can take a $139,000 section 179 expense deduction. |
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Step 7. $20,000 ($159,000 − $139,000). |
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Step 8. Using $20,000 (from Step 7) as taxable income, XYZ's actual charitable contribution (limited to 10% of taxable income) is $2,000. |
Example.
Last year, Joyce Jones placed in service a machine that cost $8,000 and elected to deduct all $8,000 under section 179. The taxable income from her business (determined without regard to both a section 179 expense deduction for the cost of the machine and the self-employment tax deduction) was $6,000. Her section 179 expense deduction was limited to $6,000. The $2,000 cost that was not allowed as a section 179 expense deduction (because of the business income limit) is carried to this year.
This year, Joyce placed another machine in service that cost $9,000. Her taxable income from business (determined without regard to both a section 179 expense deduction for the cost of the machine and the self-employment tax deduction) is $10,000. Joyce can deduct the full cost of the machine ($9,000) but only $1,000 of the carryover from last year because of the business income limit. She can carry over the balance of $1,000 to next year.
The section 179 expense deduction limits apply both to the partnership or S corporation and to each partner or shareholder. The partnership or S corporation determines its section 179 expense deduction subject to the limits. It then allocates the deduction among its partners or shareholders.
If you are a partner in a partnership or shareholder of an S corporation, you add the amount allocated from the partnership or S corporation to any section 179 costs not related to the partnership or S corporation and then apply the dollar limit to this total. To determine any reduction in the dollar limit for costs over $560,000, you do not include any of the cost of section 179 property placed in service by the partnership or S corporation. After you apply the dollar limit, you apply the business income limit to any remaining section 179 costs. For more information, see chapter 2 of Publication 946.
Example.
In 2012, Partnership P placed in service section 179 property with a total cost of $580,000. P must reduce its dollar limit by $20,000 ($580,000 − $560,000). Its maximum section 179 expense deduction is $119,000 ($139,000 − $20,000), and it elects to expense that amount. Because P's taxable income from the active conduct of all its trades or businesses for the year was $400,000, it can deduct the full $119,000. P allocates $100,000 of its section 179 expense deduction and $110,000 of its taxable income to John, one of its partners.
John also conducts a business as a sole proprietor and in 2012, placed in service in that business, section 179 property costing $28,000. John's taxable income from that business was $10,000. In addition to the $100,000 allocated from P, he elects to expense the $28,000 of his sole proprietorship's section 179 costs. However, John's deduction is limited to his business taxable income of $120,000 ($110,000 from P plus $10,000 from his sole proprietorship). He carries over $8,000 ($128,000 − $120,000) of the elected section 179 costs to 2013.
You elect to take the section 179 expense deduction by completing Part I of Form 4562.

Form 4562 before completing Part I.
File Form 4562 with either of the following:
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Your original tax return (whether or not you filed it timely), or
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An amended return filed within the time prescribed by law. An election made on an amended return must specify the item of section 179 property to which the election applies and the part of the cost of each such item to be taken into account. The amended return must also include any resulting adjustments to taxable income.
You may have to recapture the section 179 expense deduction if, in any year during the property's recovery period, the percentage of business use drops to 50% or less. In the year the business use drops to 50% or less, you include the recapture amount as ordinary income. You also increase the basis of the property by the recapture amount. Recovery periods for property are discussed later.

chapter 9 under Section 1245 Property.

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Figure the allowable depreciation for the section 179 expense deduction you claimed. Begin with the year you placed the property in service and include the year of recapture.
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Subtract the depreciation figured in (1) from the section 179 expense deduction you actually claimed. The result is the amount you must recapture.
Example.
In January 2010, Paul Lamb, a calendar year taxpayer, bought and placed in service section 179 property costing $10,000. The property is not listed property. He elected a $5,000 section 179 expense deduction for the property and also elected not to claim a special depreciation allowance. He used the property only for business in 2010 and 2011. During 2012, he used the property 40% for business and 60% for personal use. He figures his recapture amount as follows.
| Section 179 expense deduction claimed (2010) | $5,000 | |
| Minus: Allowable depreciation (instead of section 179 expense deduction): |
||
| 2010 | $1,250 | |
| 2011 | 1,875 | |
| 2012 ($1,250 × 40% (business)) | 500 | 3,625 |
| 2012 — Recapture amount | $1,375 | |
Paul must include $1,375 in income for 2012.
For qualified property (defined below) placed in service in 2012, you can take an additional 50% (or 100%, if applicable) special depreciation allowance. The allowance is an additional deduction you can take after any section 179 expense deduction and before you figure regular depreciation under MACRS. Figure the special depreciation allowance by multiplying the depreciable basis of the qualified property by 50% (or 100%, if applicable).
For farmers, qualified property generally is certain qualified property acquired after September 8, 2010, and certain qualified property acquired after December 31, 2007, and placed in service before January 1, 2013.
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Certain property with a long production period.
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Certain aircraft.
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The property must be acquired by purchase after September 8, 2010. If a binding contract to acquire the property existed before September 9, 2010, the property does not qualify.
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The property must be placed in service before January 1, 2013.
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The original use of the property must begin with you after September 8, 2010.
www.irs.gov/irb/2011-16_IRB/ar10.html.
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Tangible property depreciated under the Modified Accelerated Cost Recovery System (MACRS) with a recovery period of 20 years or less.
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Water utility property.
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Off-the-shelf computer software.
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Qualified leasehold improvement property.
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You must have acquired qualified property by purchase after December 31, 2007. If a binding contract to acquire the property existed before January 1, 2008, the property does not qualify.
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Qualified property must be placed in service after December 31, 2007 and placed in service before January 1, 2013 (before January 1, 2014 for certain property with a long production period and for certain aircraft).
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The original use of the property must begin with you after December 31, 2007.
You can elect, for any class of property, not to deduct the special depreciation allowance for all property in such class placed in service during the tax year. To make the election, attach a statement to your return indicating the class of property for which you are making the election.
Generally, you must make the election on a timely filed tax return (including extensions) for the year in which you place the property in service. However, if you timely filed your return for the year without making the election, you still can make the election by filing an amended return within 6 months of the due date of the original return (not including extensions). Attach the election statement to the amended return. On the amended return, write “Filed pursuant to section 301.9100-2.”
Once made, the election may not be revoked without IRS consent.

When you dispose of property for which you claimed a special depreciation allowance, any gain on the disposition is generally recaptured (included in income) as ordinary income up to the amount of the special depreciation allowance previously allowed or allowable. For more information, see chapter 3 of Publication 946.
The Modified Accelerated Cost Recovery System (MACRS) is used to recover the basis of most business and investment property placed in service after 1986. MACRS consists of two depreciation systems, the General Depreciation System (GDS) and the Alternative Depreciation System (ADS). Generally, these systems provide different methods and recovery periods to use in figuring depreciation deductions.

This part explains how to determine which MACRS depreciation system applies to your property. It also discusses the following information that you need to know before you can figure depreciation under MACRS.
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Property's recovery class.
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Placed-in-service date.
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Basis for depreciation.
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Recovery period.
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Convention.
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Depreciation method.
Finally, this part explains how to use this information to figure your depreciation deduction.
Your use of either the General Depreciation System (GDS) or the Alternative Depreciation System (ADS) to depreciate property under MACRS determines what depreciation method and recovery period you use. You generally must use GDS unless you are specifically required by law to use ADS or you elect to use ADS.
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All property used predominantly in a farming business and placed in service in any tax year during which an election not to apply the uniform capitalization rules to certain farming costs is in effect.
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Listed property used 50% or less in a qualified business use. See Additional Rules for Listed Property , later.
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Any tax-exempt use property.
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Any tax-exempt bond-financed property.
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Any property imported from a foreign country for which an Executive Order is in effect because the country maintains trade restrictions or engages in other discriminatory acts.
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Any tangible property used predominantly outside the United States during the year.

The following is a list of the nine property classes under GDS.
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3-year property.
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5-year property.
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7-year property.
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10-year property.
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15-year property.
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20-year property.
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25-year property.
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Residential rental property.
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Nonresidential real property.
See Which Property Class Applies Under GDS in chapter 4 of Publication 946 for examples of the types of property included in each class.
You begin to claim depreciation when your property is placed in service for use either in a trade or business or for the production of income. The placed-in-service date for your property is the date the property is ready and available for a specific use. It is therefore not necessarily the date it is first used. If you converted property held for personal use to use in a trade or business or for the production of income, treat the property as being placed in service on the conversion date. See Placed in Service under When Does Depreciation Begin and End , earlier, for examples illustrating when property is placed in service.
The basis for depreciation of MACRS property is the property's cost or other basis multiplied by the percentage of business/investment use. Reduce that amount by any credits and deductions allocable to the property. The following are examples of some of the credits and deductions that reduce basis.
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Any deduction for section 179 property.
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Any deduction for removal of barriers to the disabled and the elderly.
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Any disabled access credit, enhanced oil recovery credit, and credit for employer-provided childcare facilities and services.
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Any special depreciation allowance.
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Basis adjustment for investment credit property under section 50(c) of the Internal Revenue Code.
For information about how to determine the cost or other basis of property, see What Is the Basis of Your Depreciable Property , earlier. Also, see chapter 6.
For additional credits and deductions that affect basis, see section 1016 of the Internal Revenue Code.
The recovery period of property is the number of years over which you recover its cost or other basis. It is determined based on the depreciation system (GDS or ADS) used. See Table 7-1 for recovery periods under both GDS and ADS for some commonly used assets. For a complete list of recovery periods, see the Table of Class Lives and Recovery Periods in Appendix B of Publication 946.
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A 7-year recovery period under GDS.
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A 10-year recovery period under ADS.
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A 20-year recovery period under GDS.
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A 25-year recovery period under ADS.
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A 15-year recovery period under GDS.
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A 20-year recovery period under ADS.
| Recovery Period in Years | ||
|---|---|---|
| Assets | GDS | ADS |
| Agricultural structures (single purpose) | 10 | 15 |
| Automobiles | 5 | 5 |
| Calculators and copiers | 5 | 6 |
| Cattle (dairy or breeding) | 5 | 7 |
| Communication equipment1 | 7 | 10 |
| Computer and peripheral equipment | 5 | 5 |
| Drainage facilities | 15 | 20 |
| Farm buildings2 | 20 | 25 |
| Farm machinery and equipment | 7 | 10 |
| Fences (agricultural) | 7 | 10 |
| Goats and sheep (breeding) | 5 | 5 |
| Grain bin | 7 | 10 |
| Hogs (breeding) | 3 | 3 |
| Horses (age when placed in service) | ||
| Breeding and working (12 years or less) | 7 | 10 |
| Breeding and working (more than 12 years) | 3 | 10 |
| Racing horses | 3 | 12 |
| Horticultural structures (single purpose) | 10 | 15 |
| Logging machinery and equipment3 | 5 | 6 |
| Nonresidential real property | 394 | 40 |
| Office furniture, fixtures, and equipment (not calculators, copiers, or typewriters) | 7 | 10 |
| Paved lots | 15 | 20 |
| Residential rental property | 27.5 | 40 |
| Tractor units (over-the-road) | 3 | 4 |
| Trees or vines bearing fruit or nuts | 10 | 20 |
| Truck (heavy duty, unloaded weight 13,000 lbs. or more) | 5 | 6 |
| Truck (actual weight less than 13,000 lbs) | 5 | 5 |
| Water wells | 15 | 20 |
| 1 Not including communication equipment listed in other classes. |
| 2 Not including single purpose agricultural or horticultural structures. |
| 3 Used by logging and sawmill operators for cutting of timber. |
| 4 For property placed in service after May 12, 1993; for property placed in service before May 13, 1993, the recovery period is 31.5 years. |
Under MACRS, averaging conventions establish when the recovery period begins and ends. The convention you use determines the number of months for which you can claim depreciation in the year you place property in service and in the year you dispose of the property. Use one of the following conventions.
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The half-year convention.
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The mid-month convention.
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The mid-quarter convention.
For a detailed explanation of each convention, see Which Convention Applies in chapter 4 of Publication 946. Also, see the Instructions for Form 4562.
MACRS provides three depreciation methods under GDS and one depreciation method under ADS.
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The 200% declining balance method over a GDS recovery period.
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The 150% declining balance method over a GDS recovery period.
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The straight line method over a GDS recovery period.
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The straight line method over an ADS recovery period.
Depreciation Table
| System/Method | Type of Property | |
|---|---|---|
| GDS using 150% DB |
• | All property used in a farming business (except real property) |
| • | All 15- and 20-year property | |
| • | Nonfarm 3-, 5-, 7-, and 10-year property1 | |
| GDS using SL | • | Nonresidential real property |
| • | Residential rental property | |
| • | Trees or vines bearing fruit or nuts | |
| • | All 3-, 5-, 7-, 10-, 15-, and 20-year property1 | |
| ADS using SL | • | Property used predomi- nantly outside the United States |
| • | Farm property used when an election not to apply the uniform capitalization rules is in effect | |
| • | Tax-exempt property | |
| • | Tax-exempt bond-financed property | |
| • | Imported property2 | |
| • | Any property for which you elect to use this method1 | |
| GDS using 200% DB |
• | Nonfarm 3-, 5-, 7-, and 10-year property |
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The straight line method over a GDS recovery period.
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The straight line method over an ADS recovery period.


To figure your depreciation deduction under MACRS, you first determine the depreciation system, property class, placed-in-service date, basis amount, recovery period, convention, and depreciation method that applies to your property. Then you are ready to figure your depreciation deduction. You can figure it in one of two ways.
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You can use the percentage tables provided by the IRS.
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You can figure your own deduction without using the tables.

To help you figure your deduction under MACRS, the IRS has established percentage tables that incorporate the applicable convention and depreciation method. These percentage tables are in Appendix A of Publication 946.
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You must apply the rates in the percentage tables to your property's unadjusted basis. Unadjusted basis is the same basis amount you would use to figure gain on a sale but figured without reducing your original basis by any MACRS depreciation taken in earlier years.
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You cannot use the percentage tables for a short tax year. See chapter 4 of Publication 946 for information on how to figure the deduction for a short tax year.
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You generally must continue to use them for the entire recovery period of the property.
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You must stop using the tables if you adjust the basis of the property for any reason other than—
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Depreciation allowed or allowable, or
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An addition or improvement to the property, which is depreciated as a separate property.
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Example 1.
During the year, you bought an item of 7-year property for $10,000 and placed it in service. You do not elect a section 179 expense deduction for this property. In addition, the property is not qualified property for purposes of the special depreciation allowance. The unadjusted basis of the property is $10,000. You use the percentages in Table 7-2 to figure your deduction.
Since this is 7-year property, you multiply $10,000 by 10.71% to get this year's depreciation of $1,071. For next year, your depreciation will be $1,913 ($10,000 × 19.13%).
Example 2.
You had a barn constructed on your farm at a cost of $20,000. You placed the barn in service this year. You elect not to claim the special depreciation allowance. The barn is 20-year property and you use the table percentages to figure your deduction. You figure this year's depreciation by multiplying $20,000 (unadjusted basis) by 3.75% to get $750. For next year, your depreciation will be $1,443.80 ($20,000 × 7.219%).
Table 7-3. Straight Line Method (Half-Year Convention)
| Year | 3-Year | 5-Year | 7-Year | 20-Year | ||||
|---|---|---|---|---|---|---|---|---|
| 1 | 16.67 | % | 10 | % | 7.14 | % | 2.5 | % |
| 2 | 33.33 | 20 | 14.29 | 5.0 | ||||
| 3 | 33.33 | 20 | 14.29 | 5.0 | ||||
| 4 | 16.67 | 20 | 14.28 | 5.0 | ||||
| 5 | 20 | 14.29 | 5.0 | |||||
| 6 | 10 | 14.28 | 5.0 | |||||
| 7 | 14.29 | 5.0 | ||||||
| 8 | 7.14 | 5.0 | ||||||
If you are required to or would prefer to figure your own depreciation without using the tables, see Figuring the Deduction Without Using the Tables in chapter 4 of Publication 946.
If your property has a carryover basis because you acquired it in an exchange or involuntary conversion of other property or in a nontaxable transfer, you generally figure depreciation for the property as if the exchange, conversion, or transfer had not occurred.
To make it easier to figure MACRS depreciation, you can group separate assets into one or more general asset accounts (GAAs). You can then depreciate all the assets in each account as a single asset. Each account must include only assets with the same asset class (if any), recovery period, depreciation method, and convention. You cannot include an asset if you use it in both a personal activity and a trade or business (or for the production of income) in the year in which you first placed it in service.
After you have set up a GAA, you generally figure the depreciation for it by using the applicable depreciation method, recovery period, and convention for the assets in the GAA. For each GAA, record the depreciation allowance in a separate depreciation reserve account.
There are additional rules for grouping assets in a GAA, figuring depreciation for a GAA, disposing of GAA assets, and terminating GAA treatment. Special rules apply in determining the basis and figuring the depreciation deduction for MACRS property in a GAA acquired in a like-kind exchange or involuntary conversion. See chapter 4 in Publication 946.
When you dispose of property you depreciated using MACRS, any gain on the disposition is generally recaptured (included in income) as ordinary income up to the amount of the depreciation previously allowed or allowable for the property. For more information on depreciation recapture, see chapter 9. Also, see chapter 4 of Publication 946.
Listed property includes cars and other property used for transportation, property used for entertainment, and certain computers.
Deductions for listed property (other than certain leased property) are subject to the following special rules and limits.
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Deduction for employees.
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Business-use requirement.
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Passenger automobile limits and rules.
Listed property is any of the following.
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Passenger automobiles weighing 6,000 pounds or less.
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Any other property used for transportation, unless it is an excepted vehicle.
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Property generally used for entertainment, recreation, or amusement.
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Computers and related peripheral equipment unless used only at a regular business establishment and owned or leased by the person operating the establishment.

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Tractors and other special purpose farm vehicles.
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Bucket trucks (cherry pickers), dump trucks, flatbed trucks, and refrigerated trucks.
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Combines, cranes and derricks, and forklifts.
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Any vehicle designed to carry cargo with a loaded gross vehicle weight of over 14,000 pounds.
For more information, see chapter 5 of Publication 946.
You can claim the section 179 expense deduction for listed property and depreciate listed property using GDS and a declining balance method, if the property meets the business-use requirement. To meet this requirement, listed property must be used predominantly (more than 50% of its total use) for qualified business use. To determine whether the business-use requirement is met, you must allocate the use of any item of listed property used for more than one purpose during the year among its various uses.
The depreciation deduction (including the section 179 expense deduction) you can claim for a passenger automobile each year is limited. The passenger automobile limits are the maximum depreciation amounts you can deduct for a passenger automobile. They are based on the date you placed the vehicle in service. See chapter 5 of Publication 946 for tables that show the maximum depreciation deduction for passenger automobiles. Also, see the Instructions for Form 4562.
For information about deducting expenses for the business use of your passenger automobile, see chapter 4 in Publication 463.
Depletion is the using up of natural resources by mining, quarrying, drilling, or felling. The depletion deduction allows an owner or operator to account for the reduction of a product's reserves.
If you have an economic interest in mineral property or standing timber (defined below), you can take a deduction for depletion. More than one person can have an economic interest in the same mineral deposit or timber.
You have an economic interest if both the following apply.
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You have acquired by investment any interest in mineral deposits or standing timber.
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You have a legal right to income from the extraction of the mineral or the cutting of the timber, to which you must look for a return of your capital investment.
A contractual relationship that allows you an economic or monetary advantage from products of the mineral deposit or standing timber is not, in itself, an economic interest. A production payment carved out of, or retained on the sale of, mineral property is not an economic interest.
Mineral property is each separate interest you own in each mineral deposit in each separate tract or parcel of land. You can treat two or more separate interests as one property or as separate properties. See section 614 of the Internal Revenue Code and the related regulations for rules on how to treat separate mineral interests.
Timber property is your economic interest in standing timber in each tract or block representing a separate timber account.
There are two ways of figuring depletion.
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Cost depletion.
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Percentage depletion.
For mineral property, you generally must use the method that gives you the larger deduction. For standing timber, you must use cost depletion.
To figure cost depletion you must first determine the following.
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The property's basis for depletion.
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The total recoverable units of mineral in the property's natural deposit.
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The number of units of mineral sold during the tax year.
You must estimate or determine recoverable units (tons, barrels, board feet, thousands of cubic feet, or other measure) using the current industry method and the most accurate and reliable information you can obtain.
Basis for depletion and total recoverable units are explained in chapter 9 of Publication 535.
Depletion takes place when you cut standing timber (including Christmas trees). You can figure your depletion deduction when the quantity of cut timber is first accurately measured in the process of exploitation.
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Determine your cost or the adjusted basis of the timber on hand at the beginning of the year.
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Add to the amount determined in (1) the cost of any timber units acquired during the year and any additions to capital.
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Figure the number of timber units to take into account by adding the number of timber units acquired during the year to the number of timber units on hand in the account at the beginning of the year and then adding (or subtracting) any correction to the estimate of the number of timber units remaining in the account.
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Divide the result of (2) by the result of (3). This is your depletion unit.
Example.
Sam Brown bought a farm that included standing timber. This year Sam determined that the standing timber could produce 300,000 units when cut. At that time, the adjusted basis of the standing timber was $24,000. Sam then cut and sold 27,000 units. (Sam did not elect to treat the cutting of the timber as a sale or exchange.) Sam's depletion for each unit for the year is $.08 ($24,000 ÷ 300,000). His deduction for depletion is $2,160 (27,000 × $.08). If Sam had cut 27,000 units but sold only 20,000 units during the year, his depletion for each unit would have remained at $.08. However, his depletion deduction would have been $1,600 (20,000 × $.08) for this year and he would have included the balance of $560 (7,000 × $.08) in the closing inventory for the year.
You can use percentage depletion on certain mines, wells, and other natural deposits. You cannot use the percentage method to figure depletion for standing timber, soil, sod, dirt, or turf.
To figure percentage depletion, you multiply a certain percentage, specified for each mineral, by your gross income from the property during the year. See Mines and other natural deposits in chapter 9 of Publication 535 for a list of the percentages. You can find a complete list in section 613(b) of the Internal Revenue Code.
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Do not deduct any net operating loss deduction from the gross income from the property.
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Corporations do not deduct charitable contributions from the gross income from the property.
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If, during the year, you disposed of an item of section 1245 property used in connection with the mineral property, reduce any allowable deduction for mining expenses by the part of any gain you must report as ordinary income that is allocable to the mineral property. See Regulations section 1.613-5(b)(1) for information on how to figure the ordinary gain allocable to the property.
For more information on depletion, see chapter 9 in Publication 535.
Amortization is a method of recovering (deducting) certain capital costs over a fixed period of time. It is similar to the straight line method of depreciation. The amortizable costs discussed in this section include the start-up costs of going into business, reforestation costs, the costs of pollution control facilities, and the costs of section 197 intangibles. See chapter 8 in Publication 535 for more information on these topics.
When you go into business, treat all costs you incur to get your business started as capital expenses. Capital expenses are a part of your basis in the business. Generally, you recover costs for particular assets through depreciation deductions. However, you generally cannot recover other costs until you sell the business or otherwise go out of business.
Start-up costs are costs for creating an active trade or business or investigating the creation or acquisition of an active trade or business. Start-up costs include any amounts paid or incurred in connection with any activity engaged in for profit and for the production of income before the trade or business begins, in anticipation of the activity becoming an active trade or business.
You can elect to currently deduct a limited amount of business start-up costs paid or incurred after October 22, 2004. See Capital Expenses in chapter 4. If this election is made, any costs that are not currently deducted can be amortized.
For more information, see Starting a Business in chapter 8 of Publication 535.
You can elect to currently deduct a limited amount of qualifying reforestation costs for each qualified timber property. See Capital Expenses in chapter 4. You can elect to amortize over 84 months any amount not deducted. There is no annual limit on the amount you can elect to amortize. Reforestation costs are the direct costs of planting or seeding for forestation or reforestation.
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Site preparation.
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Seeds or seedlings.
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Labor.
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Tools.
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Depreciation on equipment used in planting and seeding.
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It is located in the United States.
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It is held for the growing and cutting of timber you will either use in, or sell for use in, the commercial production of timber products.
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It consists of at least one acre planted with tree seedlings in the manner normally used in forestation or reforestation.
You must generally amortize over 15 years the capitalized costs of section 197 intangibles you acquired after August 10, 1993. You must amortize these costs if you hold the section 197 intangible in connection with your farming business or in an activity engaged in for the production of income. Your amortization deduction each year is the applicable part of the intangible's adjusted basis (for purposes of determining gain), figured by amortizing it ratably over 15 years (180 months). You are not allowed any other depreciation or amortization deduction for an amortizable section 197 intangible.
Section 197 intangibles include the following assets.
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Goodwill.
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Patents.
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Copyrights.
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Designs.
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Formulas.
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Licenses.
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Permits.
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Covenants not to compete.
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Franchises.
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Trademarks.
See chapter 8 in Publication 535 for more information, including a complete list of assets that are section 197 intangibles and special rules.
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