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Understanding your CP321Q notice

What this notice is about 

Our records show you claimed the Schedule 1-A qualified overtime compensation deduction. Our initial review of your 2025 Form 1040 federal tax return suggests that you may have claimed too much qualified overtime on Schedule 1-A. You must ensure you qualify for all deductions and the amounts you claim. 

If you made an error in your Schedule 1-A deductions, you may need to amend your return. This notice has been sent to inform you of this potential discrepancy and to help you verify if you claimed this deduction correctly. For more information on how to correctly claim these deductions, see the instructions for Schedule 1-A, found starting on page 101 of the 2025 Form 1040 Instructions PDF.

You may want to 

Review your 2025 Form 1040 and make sure you correctly claimed all deductions. If you made an error:

  1. File an amended return. If you filed electronically, you may file your amended return electronically. You can get help at an IRS Taxpayer Assistance Center.
  2. Share this letter with anyone helping you with preparing your returns.
  3. If you file an amended federal tax return, you may also need to file an amended state or local tax return.

Failure to review and address any incorrect or incomplete information could result in additional communication from the IRS.

Frequently asked questions

Under Working Families Tax Cuts, if you receive qualified overtime compensation, you may be able to deduct it. For 2025, employers aren’t required to report qualified overtime compensation separately on Forms W-2, 1099-NEC, and 1099-MISC. If you don’t receive a statement reporting the amount of qualified overtime compensation, use the 2025 Schedule 1-A Instructions to determine the deduction.

Workers with qualified overtime compensation. Qualified overtime compensation is overtime compensation paid to an individual required under section 7 of the Fair Labor Standards Act (FLSA) (29 USC § 207) that exceeds the regular rate at which the individual is employed. For example, if an individual is paid at “one and one-half times” their regular rate for an hour of overtime work as required by the FLSA, the “half” portion of the “one and one-half times” paid for an hour of overtime work is qualified overtime compensation.

Helpful information 

Follow the links below to read more about topics related to the qualified tips and other new provisions:

Follow the links below to read more about filing an amended return or making a payment: