Maryland Code, Alcoholic Beverages and Cannabis § 24-1903

(a)(1) The license holder or an individual designated by the license holder who is employed in a supervisory capacity shall:

(2) The license holder or individual specified in paragraph (1) of this subsection may be absent from the licensed premises for a personal or business reason or an emergency if the absence lasts for not more than 2 hours.

(3) The Board shall require the license holder to keep a log book on the licensed premises that documents each temporary absence, the length of time of the absence, and the reason for the absence, in the form that the Board requires.

(1) for a first offense, a $100 fine; and

(2) for each subsequent offense, a fine not exceeding $500 or a suspension or revocation of the license or both.