If a town so votes under section twenty-one of chapter forty-one the selectmen shall appoint a board of cemetery commissioners to consist of three members, to be appointed for the term of three years. The commissioners shall, under the supervision and control of the selectmen, maintain the public cemeteries in the town, and shall with the approval of the selectmen, appoint such employees as are necessary to maintain such cemeteries.
Mass. Gen. Laws ch. 114, § 27