Md. Code, Local Government § 21–103

(a) 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.

(b) The governing body of a county may establish an authority for any

commercial district in the county.

(c) For each authority established, the governing body of a county shall:

(1) specify the membership, organization, jurisdiction, and

geographical limits of the authority;

(2) provide any financing that it considers appropriate for the

authority through fees that may be charged to, or taxes that may be imposed against,

businesses subject to the authority’s jurisdiction; and

(3) specify the purposes of the authority, including:

(i) promotion;

(ii) marketing; or

(iii) the provision of security, maintenance, or amenities in the

commercial district.