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Understanding your CP81 notice

 

What this notice is about

We received payments or other credits for the tax return shown on your notice, but we haven*t received your tax return for that year. The period for claiming a refund or credit for that tax year may expire soon.


What you need to do

  • If youneed to file this tax return, file immediately. We*ll use the credit amount shown on the notice to pay any taxes you owe and refund any extra.
  • If you*ve already filed this return and it's been over 8 weeks, send us a newly signed copy, including all schedules, forms and other documents you included with your original return.
  • If you want the credit moved to another tax form, tax period or tax identification number, call us at the number on your notice.
  • If you don*t file your tax return or contact us, you*ll lose your credit. The law sets strict time limits for refunding or transferring credits.

You may want to

Call 800-TAX-FORM (800-829-3676) to order forms and publications or visit the Forms, instructions & publications page to download them.


Frequently asked questions

ob极郤 long do I have to file a tax return to claim a refund? (updated June 5, 2025)

Generally, you must file a tax return within 3 years from the due date of the return (including extensions) to receive a refund of any overpayment on your account. After the refund statute expiration date (RSED) expires, we can*t refund any overpayments.

Where do I send my return?

Send it to the address shown on the notice.

What should I do if I just filed my tax return? (updated June 5, 2025)

You don*t have to do anything if you filed within the last 8 weeks.


Tips for next year

File all required returns by their appropriate due dates.

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