Wherever reference is made in the following rules and regulations to acts or omissions forbidden on the part of the licensee, corporation or individual, it shall be held and construed to mean acts of such licensee, corporation or individual or their clerk, servant or agent. Whoever is found in charge of a licensed premise or making service or waiting on trade in such licensed premise shall be prima facie construed to be a clerk, servant and agent of the licensee.
18- 553 C.M.R. ch. 101, § 3