No service of alcoholic beverages shall be made to any person in a Hotel, Restaurant, Tavern or Club in a glass or any other container which has not been thoroughly cleansed and properly sterilized prior to such service.
Hotels, Restaurants, Taverns and Clubs, licensed to sell alcoholic beverages, shall be provided with an adequate supply of running hot and cold water and soap and towels, at all times readily accessible, to thoroughly cleanse the hands of persons employed in such licensed premises.
All glasses, dishes, silverware and other utensils used in such licensed places for service of food or alcoholic beverages shall be thoroughly cleansed after service to each patron and subjected for at least five minutes to the germicidal action of clean water heated to and maintained at a minimum of 160°F.
Equally effective methods of germicidal action by the use of heat, hot water, steam or mechanical devices may be substituted.
After being cleansed and sterilized glasses, dishes, silverware and other utensils shall be packed or stored or arranged in such manner as not to become contaminated before again being used.
204 CMR, § 2.05