Other Items Related to Form 1120X
Publication 542, Corporations
This publication discusses the general tax laws that apply to ordinary domestic corporations.
Form 1120, U.S. Corporation Income Tax Return
Use this form to report the income, gains, losses, deductions, credits, and to figure the income tax liability of a corporation.
Form 1139, Corporation Application for Tentative Refund
Corporations (other than S corporations) use Form 1139 to apply for a quick refund of taxes from: carryback of a net operating loss, net capital loss, unused general business credit, or an overpayment of tax from a claim of right adjustment.
Form 2439, Notice to Shareholder of Undistributed Long-Term Capital Gains
Use Form 2439 to provide shareholders the amount of undistributed long-term capital gains.
Form 3115, Application for Change in Accounting Method
File this form to request a change in either an overall method of accounting or the accounting treatment of any item.
Form 3800, General Business Credit
File this form to claim any of the general business credits.
Form 4466, Corporation Application for Quick Refund of Overpayment of Estimated Tax
Any corporation that overpaid its estimated tax for the tax year may apply for a quick refund if the overpayment is at least 10% of the expected tax liability and at least $500.
Form 7004, Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns
Use this form to request an automatic extension of time to file certain business income tax, information, and other returns.
Form 8302, Electronic Deposit of Tax Refund of $1 Million or More
File this form to request that the IRS electronically deposit a tax refund of $1 million or more directly into an account at any U.S. bank or other financial institution that accepts electronic deposits.
Form 8886, Reportable Transaction Disclosure Statement
Use Form 8886 to disclose information for each reportable transaction in which you participated.