Sheriffs and their deputies shall serve and execute, within their counties, all precepts lawfully issued to them and all other process required by law to be served by an officer. They may serve process in cases wherein a county, city, town, parish, religious society or fire or other district is a party or interested, although they are inhabitants or members thereof.
Mass. Gen. Laws ch. 37, § 11
Duties of sheriffs and deputies; service of precepts
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.