Md. Code, Business Regulation § 16.7–211

(a) A person may not act, attempt to act, or offer to act as an electronic smoking devices manufacturer, an electronic smoking devices retailer, an electronic smoking devices wholesaler distributor, an electronic smoking devices wholesaler importer, or a vape shop vendor in the State unless the person has an appropriate license.

(b) (1) A person that violates this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $1,000 or imprisonment not exceeding 30 days or both.

(2) Each day that a violation of this section continues is a separate offense.