(1) Baltimore City;

(2) Baltimore County; and

(3) to the extent that an area is under the Washington Suburban Sanitary Commission, Prince George’s 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) In accordance with the Maryland Plumbing Act, the governing body of a county may:

(1) adopt a plumbing code;

(2) provide for inspections to enforce the code; and

(3) impose permit and inspection fees.