Mass. Gen. Laws ch. 111, § 8: Use of common drinking cup or towel; rules and regulations

Section 8. In order to prevent the spread of communicable diseases, the department may prohibit in hotels and in such public places, vehicles or buildings as it may designate the providing of a common drinking cup or a common towel, and may establish rules and regulations for this purpose. Whoever violates any such rule or regulation shall be punished by a fine of not more than twenty-five dollars.