Md. Code, Local Government § 12–201

(a) This subtitle applies to all counties except:

(1) Anne Arundel County;

(2) Baltimore City;

(3) Baltimore County;

(4) Howard County;

(5) Prince George’s County;

(6) Queen Anne’s County; and

(7) Worchester County.

(b) The provisions of §§ 9–105 and 9–106 of this article apply to an act, an

ordinance, or a resolution adopted by a commission county under this section.

(c) The governing body of a county may:

(1) establish a pension plan or group insurance program for the

benefit of its officers and employees; and

(2) establish classifications and eligibility criteria for each pension

plan or group insurance program.