Mass. Gen. Laws ch. 146, § 56: Examiners of applicants for certificates of competency to inspect boilers, and for licenses as engineers or firemen; administration of oath to applicants

Section 56. The chief and inspectors of the division of inspection of the department of fire services shall act, as provided in sections 57, 58, 59, 60, 61, 62, 63, 64, 66, and 67, as examiners of applicants for certificates of competency to inspect boilers, and for licenses as engineers or firemen. The chief or any such inspector may administer the oath to applicants.