The sheriff shall issue to every full-time deputy employed by the sheriff an identification card bearing the deputy's photograph and identifying information. The secretary of public safety and security may adopt regulations relative to the form, content and issuance of identification cards and to the carrying thereof by deputies.
Mass. Gen. Laws ch. 37, § 26
Identification cards for full-time deputies
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.