N.J. Stat. § 45:7-37
Each member of the board, before entering upon his duties and within thirty days after receiving notice of his appointment, shall take and subscribe an oath of office such as is provided for other State officials. Upon the failure of a member of the board to take the oath of office as provided herein, a vacancy in the membership of the board shall then exist which shall be filled by the Governor as provided in section four. The board shall annually select from its membership a president and secretary, who shall serve until their successors shall be elected and qualified. The board is authorized and empowered to adopt and promulgate such rules and regulations, not inconsistent with this act, as it may deem expedient for the transaction of its business and for the purpose of efficiently enforcing the provisions of this act.
N.J.S. § 45:7-37