U.S. Social Security retirement or disability benefits may be determined using a different formula under the Windfall Elimination Provisions (WEP).
More than one pension: if you receive more than one pension, complete a separate form for each pension.
Pension end date: leave the To: field blank if you do not expect your pension to end.
Report: you must report promptly to the U.S. Social Security Administration if your current pension or annuity ceases.
Where to send: send or bring the completed form to your local Social Security office.
| Question | Answer |
|---|---|
| Form Name | Form SSA-308 |
| Form Length | 3 pages |
| Fillable? | Yes |
| Fillable fields | 39 |
| Avg. time to fill out | 7 min |
| Edition | 04-2025 |
| Issuing agency | Social Security Administration |
| Where to send | Your local Social Security office |
| Other names | SSA-308, SSA 308, Form 308, 308 form, Form SSA-308, Modified Benefit Formula Questionnaire - Foreign Pension |
| Official source | Form SSA-308 (Rev 04-2025), Social Security Administration |
Form Ssa 308 isn’t the one you’re looking for?