Your choice will cancel all previous elections. Submit the completed form to your agency personnel or benefits office.
Stop: your payroll contributions will stop no later than the first full pay period after your agency personnel or benefits office receives this form.
Amount: you may choose a percentage for one type of contribution and a dollar amount for the other type of contribution.
Pay raise: if you choose a percentage of basic pay, your contribution amount will automatically increase when you receive a pay raise.
FERS employees: if you stop your contributions, your Agency Matching Contributions will stop, but Agency Automatic (1%) Contributions will continue.
| Question | Answer |
|---|---|
| Form Name | Form TSP-1 |
| Form Length | 3 pages |
| Fillable? | Yes |
| Fillable fields | 25 |
| Avg. time to fill out | 5 min |
| Edition | 12/2025 |
| Where to submit | Your agency personnel or benefits office |
| Other names | TSP-1, TSP1, TSP 1, Form TSP-1, TSP Election Form, Thrift Savings Plan Election Form |
| Official source | Form TSP-1 (Rev 12/2025), Thrift Savings Plan |
Tsp 1 Form isn’t the one you’re looking for?