Md. Code, Alcoholic Beverages and Cannabis § 2–313

(a) Subject to subsection (b) of this section, a holder of a wholesaler’s license may not sell or deliver alcoholic beverages to a person in the State that does not hold a license or permit under this article.

(b) This section does not prohibit a holder of a Class 4 limited winery license and a Class 6 limited wine wholesaler’s license from also holding a Class A light wine license or a Class A wine license issued under Division II of this article.