Form 433-F (Collection Information Statement)
The shortest of the three Collection Information Statements. It is the one CP522 asks for, and the IRS says not to mail that one.
Full Definition
Form 433-F is the Collection Information Statement the IRS uses to see what a household has and what it spends.
It is the short form of the three. Form 433-A is for wage earners and the self-employed, Form 433-B is for businesses, and 433-F is a compressed version used where a full statement is not required.
It asks for personal bank accounts including checking, online, mobile such as PayPal, savings and money market accounts; lines of credit; the number of people in the household who can be claimed on this year's return, split by under 65 and 65 and over; and, if you or your spouse have self-employment income, the business name, EIN, type of business and number of employees not counting the owner.
The IRS names it in two places that matter. On CNC: before approving a temporary delay of collection it may ask for Form 433-F, 433-A or 433-B with documents verifying income, monthly living expenses, bank accounts and assets. And on CP522, the installment agreement review notice, where it asks for this form specifically — and states DO NOT MAIL IT. On that notice the form is completed and then read out over the phone, because the IRS says a mailed copy will not arrive in time to stop the agreement being terminated.
What to do next
If the form arrived with CP522, complete it and then call — the IRS states on that notice that mailing it will not prevent the installment agreement being terminated.
Sources
- Form 433-F, Collection Information Statement — Internal Revenue Service, retrieved 2026-08-21
- Temporarily delay the collection process — Internal Revenue Service, retrieved 2026-08-21
Last reviewed 2026-08-21 by Tax Resolution Clarity editorial.
Sourced to primary IRS materials and editorially reviewed. Not reviewed by a tax professional. Not tax advice.
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Where to go next
The IRS publishes the rules this page describes. Your own notice governs your dates.