Md. Code, Local Government § 13–921

(a) This section applies to all counties except:

(1) Anne Arundel County;

(2) Baltimore City;

(3) Baltimore County;

(4) Howard County;

(5) Prince George’s County; and

(6) Worcester 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 enact a local law that requires the

development of land for residential uses to comply with pertinent underground

electric and telephone residential service regulations adopted by the Public Service

Commission, including those pertaining to deposits.