Md. Code, Bus. Reg. § 16.7-213

(a) A person may not ship, import, or sell into or within the State any electronic smoking devices unless the person holds any license required by this subtitle. (b) A person that ships, imports, or sells electronic smoking devices into or within the State: (1) shall comply with any federal and State requirements concerning the placement of warning labels or other information on the containers or individual packages of electronic smoking devices; and (2) shall ensure that the containers or individual packages of electronic smoking devices do not contain any information or markings that are false, misleading, or contrary to: (i) federal trademark laws; or (ii) the trademark law of the State under Title 1, Subtitle 4 of this article. (c) A person that ships, imports, or sells electronic smoking devices into or within the State in violation of this section is subject to disciplinary action by the Executive Director under § 16.7–207 of this subtitle.