CFR /  Title 5  /  Part 842  /  Sec. 842.209 Members of Congress.

(a) A Member, except one separated by resignation or expulsion, is entitled to an annuity--

(1) After completing 25 years of service; or

(2) After becoming age 50 and completing 20 years of service.

(b) An annuity payable under paragraph (a) of this section commences on the day after separation from the service.