Maryland Statutes
Subtitle 27 - Prohibited Acts
Section 22-2702 - Selling or Providing Alcoholic Beverages to Individual Under the Age of 21 Years -- Criminal Procedure

A license holder may not be found guilty of a violation of § 6–304 of this article if the license holder establishes to the satisfaction of the finder of fact that the license holder used due caution to establish that the individual was not under the age of 21 years.