Maryland Code, State Personnel and Pensions § 21-203

(1) for the exclusive purposes of providing benefits to the participants and for reasonable expenses of administering the several systems;

(2) with the care, skill, prudence, and diligence under the circumstances then prevailing, that a prudent person acting in a like capacity and familiar with such matters would use in the conduct of an enterprise of a like character and with like aims;

(3) by diversifying the investments of the several systems so as to minimize the risk of large losses, unless under the circumstances it is clearly prudent not to do so;

(4) in accordance with the laws governing the several systems; and

(5) in accordance with the documents and instruments governing the several systems to the extent that the documents and instruments are consistent with this subtitle.