Md. Code, Business Regulation § 16.7-201
§16.
§16.7–201.
(a) A person must hold an appropriate license before the person may act as:
(1) an electronic smoking devices manufacturer;
(2) an electronic smoking devices retailer;
(3) an electronic smoking devices wholesaler distributor;
(4) an electronic smoking devices wholesaler importer; or
(5) a vape shop vendor.
(b) A place of business in which a person acts as an electronic smoking devices retailer or a vape shop vendor must hold an appropriate license.