Md. Code, Alcoholic Beverages and Cannabis § 31–504

(a) This section and § 2–314 of this article do not apply to a:

(1) club that is the holder of a Class C beer, wine, and liquor license; or

(2) hotel that is the holder of a Class B beer, wine, and liquor license.

(b) For purposes of applying § 2–314 of this article:

(1) a cash deposit for a returnable container shall be required at the time of sale or delivery of beer;

(2) a check accepted for payment that is not postdated and is promptly deposited for collection is considered cash; and

(3) a check that is given in payment for beer to a holder of the license, and is returned uncollected, is prima facie evidence of a violation by the wholesaler of § 2–314 of this article.

(c) A suit or civil action to enforce or collect a claim for credit extended or enforce payment of a check given for payment in violation of this section may not be maintained in the State.

(d) A person who violates § 2–314 of this article is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 6 months or a fine not exceeding $500 or both.