Instructions for Form CT-1 - Introductory Material
Changes to tax rates and compensation bases.
For 2008 tax rates and compensation bases, see
Employer and Employee Taxes—Tax Rates and Compensation Bases on page 2.
New adjustment process for Railroad Retirement Tax Act (RRTA) taxes.
After December 31, 2008, if you discover an error on a previously filed Form CT-1, use Form CT-1 X, Adjusted Employer's
Annual Railroad Retirement Tax Return or Claim for Refund, to make the correction. Do not make the correction on line 12 of
Form CT-1. However, continue to report on line 12 of Form CT-1 current period adjustments such as sick pay, fractions of cents,
and credits for overpayments of penalty or interest paid on tax for earlier years. Errors discovered prior to January 1, 2009
can still be reported on line 12. For more information, get the Instructions for Form CT-1 X or visit the IRS website at
www.irs.gov.
Paid preparers are required to sign Form CT-1.
A preparer must sign Form CT-1 and provide the information requested in the Paid Preparer's Use Only section of Part
I if the preparer:
The preparer must give you a copy of the return in addition to the copy filed with the IRS.
Additional information.
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Pub. 15 (Circular E), Employer's Tax Guide, contains information for withholding, depositing, reporting, and paying employment
taxes.
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Pub. 15-A, Employer's Supplemental Tax Guide, contains specialized and detailed employment tax information supplementing the
basic information provided in
Pub. 15 (Circular E).
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Pub. 15-B, Employer's Tax Guide to Fringe Benefits, contains information about the employment tax treatment of various types
of noncash compensation.
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Pub. 915, Social Security and Equivalent Railroad Retirement Benefits, contains the federal income tax rules for social security
benefits and equivalent Tier I railroad retirement benefits.
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The Railroad Retirement Board (RRB) website at
www.rrb.gov contains additional employer reporting information and instructions.
You can order forms and publications by calling 1-800-829-3676 or visiting the IRS website at
www.irs.gov.
Electronic payment.
Now, more than ever before, businesses can enjoy the benefits of paying their federal taxes and railroad retirement
payments electronically. Whether you rely on a tax professional or handle your own taxes, the IRS offers you convenient programs
to make it easier. Spend less time on taxes and more time running your business. Use Electronic Federal Tax Payment System
(EFTPS) to your benefit. To learn more about EFTPS, visit
www.eftps.gov or call EFTPS Customer Service at 1-800-555-4477.
Where can you get telephone help?
You can call the IRS toll free at 1-800-829-4933 on Monday through Friday from 7 a.m. to 10 p.m. local time (Alaska
and Hawaii follow Pacific time) to order tax deposit coupons (Form 8109) and for answers to your questions about completing
Form CT-1, tax deposit rules, or obtaining an employer identification number (EIN).
Photographs of Missing Children
The Internal Revenue Service is a proud partner with the National Center for Missing and Exploited Children. Photographs of
missing children selected by the Center may appear in instructions on pages that would otherwise be blank. You can help bring
these children home by looking at the photographs and calling 1-800-THE-LOST (1-800-843-5678) if you recognize a child.
