Form 1120X, Amended U.S. Corporation Income Tax Return
Corporations use this form to:
- correct a Form 1120 (or Form 1120-A, if applicable) as originally filed, or as later adjusted by an amended return, a claim for refund, or an examination, or
- make certain elections after the prescribed deadline.
Other Items You May Find Useful
Form 1139, Corporation Application for Tentative Refund
Form 3115, Application for Change in Accounting Method
Form 4466, Corporation Application for Quick Refund of Overpayment of Estimated Tax
Publication 542, Corporations
Comment on Form 1120X
Use the Comment on Tax Forms and Publications web form to provide feedback on the content of this product. Although we cannot respond individually to each comment, we do appreciate your feedback and will consider all comments submitted.
CAUTION: We cannot respond to tax-related questions submitted using this page. Instead, please see our Tax Law Questions page.