N.J. Stat. § 34:1-38.1

There shall be within the Division of Labor, Department of Labor and Industry, a mechanical inspection bureau which shall administer engineers' and firemen's licensing and boiler, pressure vessel and refrigeration plant inspection, and shall contain an examining board and a board of boiler, pressure vessel and refrigeration rules. There shall be within the mechanical inspection bureau a deputy director of the Division of Labor in charge of the bureau, an assistant chief of said bureau and an examining board composed of the deputy director, the assistant chief and not less than 2 nor more than 4 additional examiners. They shall be appointed by the Commissioner of Labor and Industry in accordance with Title 11, Civil Service, of the Revised Statutes. The members of the board shall: (1) be citizens of the State of New Jersey; (2) have held, for at least 1 year, a Class I, Grade A operating engineer's license issued by the Department of Labor and Industry; and (3) either (a) have had experience for at least 10 years as a Grade A or Grade B New Jersey licensed engineer, or (b) have held a position of equal responsibility and duration or (c) have been engaged for at least 5 years as an inspector pursuant to sections 34:1-34 through 34:1-45 of the Revised Statutes. The members of the mechanical inspection bureau shall perform such duties as the commissioner shall prescribe and from time to time, report to the commissioner in such form as he shall approve. L.1960, c. 134, p. 646, s. 1.