Maryland Code, Alcoholic Beverages and Cannabis § 4-1104

(1) sell draft beer for off-premises consumption in a refillable container that meets the standards set out in subsection (d) of this section; and

(2) sell and refill a refillable container that meets the standards set out in subsection (d) of this section.

(c)(1) The term of a refillable container permit is the same as that of the underlying license.

(2) The hours of sale for a refillable container permit are the same as those for the underlying license.

(3) An applicant who holds an underlying license without an off-sale privilege shall meet the same advertising, posting of notice, and public hearing requirements as those for the underlying license.

(d)(1) To be used as a refillable container for beer under the authority of a refillable container permit, a container shall:

(2) The Executive Director may adopt standards regarding containers that qualify for use as refillable containers for beer, including containers originating from outside the State.

(3) The holder of a refillable container permit may refill a refillable container originating from inside or outside the State that meets the standards adopted by the Executive Director under paragraph (2) of this subsection.