Md. Code, Local Government § 1–702

(a) Sections 1–703 through 1–707 of this subtitle do not:

(1) grant to a county or municipality additional authority in any

substantive area beyond that granted under other public general law or public local

law;

(2) restrict a county or municipality from exercising authority

granted under other public general law or public local law;

(3) authorize a county or municipality to engage in an activity not

authorized under other public general law or public local law; or

(4) preempt or supersede the regulatory authority of a unit of State

government.

(b) (1) This section applies to all counties, except:

(i) Anne Arundel County;

(ii) Baltimore City;

(iii) Baltimore County;

(iv) Cecil County;

(v) Howard County;

(vi) Prince George’s County;

(vii) Queen Anne’s County; and

(viii) Worcester County.

(2) 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.

(3) A county may grant franchises as provided under existing public

general law or public local law.