Md. Code, Alcoholic Beverages and Cannabis § 32–1102

(a) The Board may issue a refillable container permit for draft beer to a holder of any license issued by the Board except a Class C license, Class D license, Class B–Conference Center license, and Class B–Stadium license.

(b) An applicant for the permit shall complete the form that the Board provides.

(c) The hours of sale for the permit:

(1) begin at the same time as those for the underlying license; and

(2) end at midnight.

(d) Receipts collected under the permit are to be included in the calculation of average daily receipts from the sale of alcoholic beverages under a Class B restaurant license, Class B hotel license, and Class B golf course license.

(e) The annual permit fee is $500.