Maryland Code, Alcoholic Beverages and Cannabis § 6-308

(1) the wine or pomace brandy is being provided for a promotional activity conducted by the limited winery, a retail license holder, an alcoholic beverages trade association, or a nonprofit organization;

(2) a representative of the limited winery or a trade association representing Maryland wineries is present at all times during the promotional activity;

(3) the limited winery or winery trade association complies with any regulations that the Executive Director adopts relating to on-premises promotions and product sampling;

(4) the limited winery or winery trade association has advance written permission of the retail license holder to bring wine products on the retail licensed premises for the promotional activity; and

(5) all unopened or partially consumed containers of wine and pomace brandy are removed from the retail licensed premises at the end of the promotional activity.

(1) not purchased on the premises from the license holder; and

(2) not otherwise allowed by this article to be consumed on the premises.