Maryland Code, State Personnel and Pensions § 32-203

(b)(1) Except as provided in paragraph (2) of this subsection, the Supplemental Board shall adopt regulations to carry out this title.

(2) The Supplemental Board is not required to adopt regulations to adopt or amend the plans under the Optional Defined Contribution System.

(1) shall immediately be 100% vested;

(2) shall be held in trust for the exclusive benefit of the participating employee, except as otherwise required under § 403(b) of the Internal Revenue Code for investments held under a plan that qualifies under § 403(b) of the Internal Revenue Code; and

(3) may be distributed only at the times, in the manner, to the extent, and to the individuals that allow the plans to maintain their tax qualified status under the Internal Revenue Code.