Maryland Code, Alcoholic Beverages and Cannabis § 13-205

(b)(1) Subject to paragraph (2) of this subsection, the Chief Inspector and each other inspector may examine any identification used as proof of age by an individual to purchase alcoholic beverages.

(2) The examination shall be made on the premises of the licensed establishment where the purchase is attempted.

(c)(1) Subject to paragraph (2) of this subsection, the salaries of the Chief Inspector and each other inspector shall be as set forth in the county budget.