5 CFR §1603.2

1. (a)All amounts in a CSRS employee's individual account are immediately vested.
2. (b)Except as provided in paragraph (c) of this section, all amounts in a FERS employee's or uniformed service member's individual account (including all first conversion contributions) are immediately vested.
3. (c)Except as provided in paragraph (d) of this section, upon separation from Government service without meeting the applicable service requirements of § 1603.3, a FERS employee's or a BRS uniformed service member's Agency Automatic (1%) Contributions and attributable earnings will be forfeited.
4. (d)If a FERS employee or uniformed service member dies (or died) after January 7, 1988, without meeting the applicable service requirements set forth in § 1603.3, the Agency Automatic (1%) Contributions and attributable earnings in his or her individual account are deemed vested and shall not be forfeited. If a FERS employee died on or before January 7, 1988, without meeting those service requirements, his or her Agency Automatic (1%) Contributions and attributable earnings are forfeited to the Thrift Savings Plan.