Updated October 18, 2026. Quick answer: Form SSA-521 is the Request for Withdrawal of Application. For a retirement application, Social Security’s manual requires the request within 12 months of the first month of entitlement, allows one approved withdrawal per lifetime, and requires you to repay every benefit received before approval. The form warns that approval wipes out the application’s legal effect and your rights under it.
Quick reference
| Item | Rule (POMS GN 00206.005, the form and the retirement booklet) |
|---|---|
| What the form is | A written request to withdraw a benefit application |
| Time limit for retirement | Within 12 months of the first month of entitlement |
| How many times | One approved retirement withdrawal in a lifetime |
| Money | All benefits received must be repaid before approval |
| Others on your record | Written consent from beneficiaries whose entitlement is nullified |
| Cancel an approved withdrawal | Not after 60 days from the mailing of the approval notice |
| Delay instead | 8% more for each full year past full retirement age, until age 70 |
What the form says it does
The form opens with a warning that applies to every reader: “This is a request to withdraw your application. If we approve it, the decision we made on your application will have no legal effect.” It continues “You will forfeit all rights attached to an application, including the rights of appeal.” and “You will have to return any payment we made to you or anyone else on the basis of that application.”
It also says what comes next: “You must then reapply if you want a determination of your Social Security rights at any time in the future.” And it states the intent behind the procedure: “We intend for you to use this procedure only when your decision to file has resulted, or will result, in a disadvantage to you.”
The rules for withdrawing a retirement application
The form itself gives no month limit. Social Security’s staff manual does. For a retirement application it requires that “must submit the withdrawal request within 12 months of the first month of entitlement” and that the person “is limited to one approved RIB withdrawal in their lifetime”. RIB there is retirement insurance benefits.
The repayment rule is stated this way: the beneficiary “must repay all benefits he or she received, before we approve the withdrawal request.” The manual says this covers Medicare payments paid on your behalf and voluntary tax withholding for closed tax years. Our page on withdrawing your Social Security application and our comparison of withdraw versus suspend cover the decision itself.
Delay is the alternative that needs no form. The retirement booklet says “We’ll add 8% to your benefit for each full year you delay receiving Social Security benefits beyond full retirement age.” It keeps adding until you start or reach age 70.
Other people on your record are affected. The manual says “All beneficiaries on the record whose entitlement is nullified by the NH’s WD must provide consent in writing before we can approve the NH’s request for WD.” Here NH is the number holder, the worker whose record the application is on.
How to submit the request
The request must be in writing. The manual says “We will not treat an oral request as a request for WD.” It prefers this form and wants the benefit class and the reason: “preferably on form SSA-521 (Request for Withdrawal of Application)”. A fax does not work either, since “A faxed request for withdrawal does not meet the signature requirement to withdraw a valid application”.
On the form, the reason block has two choices: one reads “I intend to continue working.” and the other is “Other (Please explain fully):”. The signature is under penalty of perjury, and a witness block applies only if the form is signed with a mark (X).
After approval
The form tells you that the request has a short reversal window: “this request may not be canceled after 60 days from the mailing of notice of approval”. It also says the withdrawn application stays in Social Security’s records and “this withdrawal will not affect the proper crediting of wages or self-employment income to my Social Security earnings record.”
The edition read for this page is Form SSA-521 (07-2026) as the agency served it on 2026-10-18. Check the edition printed on the copy you send, because a later edition can change the questions, the mailing instructions and the evidence asked for. The 12 month, once-in-a-lifetime and consent rules come from POMS GN 00206.005, effective 07/26/2023, not from the form.
Common mistakes
- Waiting past 12 months from the first month of entitlement. The manual makes the time limit a requirement for approving a retirement withdrawal.
- Planning to withdraw twice. The manual limits an approved retirement withdrawal to one in a lifetime.
- Faxing or phoning the request. The manual says oral requests do not count and a fax does not meet the signature requirement.
- Forgetting the repayment. Every benefit received, including Medicare payments and withheld tax for closed years, must be repaid before approval.
- Not asking family members on your record for written consent before filing.
Related: withdrawing your Social Security application, withdraw versus suspend, suspending at full retirement age, and Social Security and Medicare forms.
Sources
- Form SSA-521 (07-2026), Request for Withdrawal of Application: https://www.ssa.gov/forms/ssa-521.pdf
- SSA Program Operations Manual System GN 00206.005, Requirements for Withdrawal (WD) of a Benefit Application (effective 07/26/2023): https://secure.ssa.gov/poms.nsf/lnx/0200206005
- SSA Publication 05-10035 (2026), Retirement Benefits: https://www.ssa.gov/pubs/EN-05-10035.pdf
Read from the Social Security Administration and Centers for Medicare and Medicaid Services documents linked above on October 18, 2026. General information, not legal or benefits advice. Your own facts decide the outcome, and Social Security at 1-800-772-1213 is the right place to confirm anything consequential.