For purposes of applying § 2–314 of this article: a cash deposit for a returnable container shall be required at the time of sale or delivery of beer; a check accepted for payment that is not postdated and is promptly deposited for collection by the license holder is considered cash; and a check that is given in payment for beer to a license holder and is returned uncollected, is prima facie evidence of a violation by the wholesaler of § 2–314 of this article. A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 6 months or a fine not exceeding $500 or both.