District of Columbia Code Division I. Government of District. § 1-626.05. District retirement benefits program.

(1) A defined benefit plan, as provided in 42 U.S.C. § 301 et seq. (“Social Security Act”);

(2) An employee deferred compensation plan pursuant to § 457 of the Internal Revenue Code governed by Chapter 36 of Title 47;

(3) A defined contribution plan pursuant to § 401(a) of the Internal Revenue Code, for employer contributions on behalf of an employee pursuant to § 1-626.09(c).

(4) A defined contribution plan pursuant to section 401(a) of the Internal Revenue Code, for employer contributions on behalf of an employee pursuant to § 1-626.09(e).