Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 129, § 22

Such notice or order may be served by an inspector or officer qualified to serve civil process, by delivery in hand to, or leaving at the last and usual place of abode of, the owner or person having an interest in or in charge of the animal concerned, or by posting upon the premises where said animal is quarantined or isolated. A copy thereof, with the return of said officer or inspector thereon that such service has been made, shall be competent evidence in any court that such quarantine has been imposed. If an animal has been so quarantined, it shall remain in quarantine until the further order of the director.