Maryland Code, Correctional Services § 4-206

(1) be interested, directly or indirectly, in any contract, purchase, or sale made by or for the Institution or an incarcerated individual of the Institution;

(2) accept a reward or gift or a promise of a reward or gift from a person interested in a contract, purchase, or sale made by or for the Institution or an incarcerated individual of the Institution; or

(3) accept a reward, gift, devise, or bequest or a promise of a reward, gift, devise, or bequest from an incarcerated individual of the Institution or from anyone on the incarcerated individual's behalf.

(b)(1) A reward, gift, devise, bequest, or promise accepted in violation of this section is void.

(2) A contract, purchase, or sale in which a person has an interest prohibited by subsection (a) of this section is voidable by the State whether or not the State is a party to it.

(d)(1) An individual who violates this section is guilty of misconduct in office.

(2) A violation of this section is grounds for removal from office or employment.