Mass. Gen. Laws ch. 30A § 7 : ADMINISTRATION OF THE GOVERNMENT — LAWS RELATING TO STATE OFFICERS — STATE ADMINISTRATIVE PROCEDURE — Judicial review of regulations

Unless an exclusive mode of review is provided by law, judicial review of any regulation or of the sufficiency of the reasons for its adoption as an emergency regulation may be had through an action for declaratory relief in the manner and to the extent provided under chapter two hundred and thirty-one A.