CFR › Title 5 › Part 831 › §831.17325 CFR §831.1732Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)The commencing date of the composite retirement annuity of a phased retiree who enters full retirement status is the day after separation.(b)A phased retirement annuity terminates upon separation from service.