Massachusetts General Laws Part IV. Crimes, Punishments and Proceedings in Criminal Cases (Ch. 263-280) Ch. 272, § 82

A person found violating any provision of section seventy-seven or eighty-one may be arrested and held without a warrant as provided in section fifty-four; the person making an arrest with or without a warrant shall use reasonable diligence to give notice thereof to the owner of animals found in the charge or custody of the person arrested, shall properly care and provide for such animals until the owner thereof takes charge of them, not, however, exceeding sixty days from the date of said notice, and shall have a lien on said animals for the expense of such care and provision.