Image Description Support Center

Our Support number is: 1-800-516-9442
<- Back to Main Page

1040X Amended U.S. Individual Income Tax Return versus the 1045 Application for Tentative Refund.


🔍 1040X Amended U.S. Individual Income Tax Return versus the 1045 Application for Tentative Refund

This guide explains the difference between:

  • Form 1040X (Amended U.S. Individual Income Tax Return)
  • Form 1045 (Application for Tentative Refund)

📚 What This Guide Covers

This article covers what each form is used for:

  • 1040X - when you need to correct, change, or claim certain items on an amended return
  • 1045 - when you apply for a quick tentative refund based on specific carrybacks or adjustments

📌 1040X Amended U.S. Individual Income Tax Return

File Form 1040X to do the following.

  • Correct Forms 1040, 1040A, 1040EZ, 1040NR, or 1040NR EZ.
  • Make certain elections after the prescribed deadline.
  • Change amounts previously adjusted by the IRS.
  • Make a claim for a carryback due to a loss or unused credit.

📌 1045 Application for Tentative Refund

An individual, estate, or trust files this form to apply for a quick tax refund resulting from:

  • The carryback of an NOL,
  • The carryback of an unused general business credit,
  • The carryback of a net section 1256 contracts loss, or
  • An overpayment of tax due to a claim of right adjustment under section 1341(b)(1).

📞 Still Need Help?

If you are having trouble, contact our support team:

Phone: 1-800-516-9442

Or submit a support ticket



Tags: federal,form