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In the IRS’s own words · not reviewed by VALID

CP522 notice explained, in the IRS’s own words

We are reviewing your installment agreement and need you to provide updated financial information. Call us by the date on your notice to prevent your installment agreement from being terminated.

Read the full CP522 page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-cp522-notice, read October 15, 2026 · fingerprint 939dd2c64683

What this notice is about

We are reviewing your installment agreement and need you to provide updated financial information. Call us by the date on your notice to prevent your installment agreement from being terminated.

What you need to do

  • Prepare your information by downloading and completing a copy of Form 433-F, Collection Information Statement, with your current income and expenses.
  • Make sure to review and complete any supplementary items referenced within Form 433-F.
  • Call us at 800-831-0273 to review the information from Form 433-F by the date on your notice. Otherwise, your installment agreement will be terminated, and we’ll bill you for the full amount of tax you owe.
  • Do not mail Form 433-F to us. We will not receive it in time to prevent your installment agreement from being terminated.

You may want to

  • Consider alternative ways to pay your tax liability that may not have been available to you at the time you signed up for this.
  • Remember, the sooner you pay your tax liability in full, the less you will have to pay in penalties and interest.
  • Review additional information about payment plans

Why does the IRS review my financial situation periodically?

To help us determine the correct monthly payment amount for your installment agreement (IA). You agreed to this review when we granted the IA for less than the minimum payment amount usually required.

Your IA payment amount may decrease, increase, or stay the same based on the information you provide.

Why shouldn’t I mail the Form 433-F back to you?

If you mail Form 433-F, we won’t receive it in time to prevent your installment agreement from being terminated. Your installment agreement will be terminated if we don’t hear from you by the date of the notice.

What will happen if I don't call?

We’ll terminate your IA and you may receive a bill for the entire balance owed. If we re-establish an IA after termination, you may owe an additional user fee for that service.

What to do next

  • Write down the date on the letter today.
  • Look the number up on irs.gov yourself. Don’t trust a link or phone number from anyone else.
  • If it says you owe money or proposes changes to your return, take it to a licensed CPA, EA or tax attorney before that date.

Not advice. Not a filing. Verify with a licensed professional. Rules change by year and facts.

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