Section 1650.31 - Age-based withdrawals(a) A participant who has reached age 591/2 and who has not separated from Government service is eligible to withdraw all or a portion of his or her vested TSP account balance in a single payment. Unless the withdrawal request is for the entire vested account balance, the entire vested traditional balance, or the entire vested Roth balance, the amount of an age-based withdrawal request must be at least $1,000.(b) An age-based withdrawal is an eligible rollover distribution, so a participant may request that the TSP record keeper roll over all or a portion of the withdrawal to a traditional IRA, an eligible employer plan, or a Roth IRA in accordance with § 1650.25 .(c) A participant is permitted four age-based withdrawals per calendar year for an account. 68 FR 35503 , June 13, 2003, as amended at 75 FR 24785 , May 6, 2010; 77 FR 26427 , May 4, 2012; 84 FR 46422 , Sept. 4, 2019; 87 FR 31683 , May 24, 2022 84 FR 46422 , 9/15/2019; 87 FR 31672 , 6/1/2022; 89 FR 18534 , 5/15/2024