Md. Code, Criminal Law § 13–1602

(a) Any of the following organizations may conduct bingo to benefit charity in the county or to further the purposes of the organization:

(1) a bona fide:

(i) religious organization;

(ii) fraternal organization;

(iii) patriotic organization;

(iv) educational organization; or

(v) charitable organization; or

(2) a volunteer fire company.

(b) A person who is not a legal resident of the county may not conduct bingo in the county, even if the game is for the benefit of an organization listed in subsection (a) of this section.