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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.

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Recent Developments

 


Other Items You May Find Useful

All Revisions for Form 1120X

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

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Comment on Form 1120X

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Page Last Reviewed or Updated: 25-Feb-2015