Md. Code, Local Government § 20–403

(a) Except as provided in § 20–404 of this subtitle, a county may impose, by

resolution, a hotel rental tax.

(b) (1) This subsection applies only to Calvert County, Charles County,

and St. Mary’s County.

(2) The governing body of a county shall hold a public hearing before

imposing a hotel rental tax.

(3) The hearing:

(i) shall be advertised twice in a newspaper of general

circulation in the county at least 10 days before the hearing; and

(ii) may not be part of the annual budget hearing.