N.J. Stat. § 19:6-10
Each district board shall, on or before the second Tuesday next preceding the primary election, meet and organize by the election of one of its members as judge, who shall be chairman of the board, and another of its members as inspector. The judge and inspector shall not be members or voters of the same political party. In case of failure to elect a judge as herein provided, after balloting or voting three times, the senior member of the board in respect to length of continuous service as a member of such district board shall become judge, and in case of failure to elect an inspector after balloting or voting three times, the next senior member of the board in respect to length of continuous service as a member of such district board shall become inspector; provided, that both the chairman and the inspector shall not be members or voters of the same political party. The other members of the board shall be clerks of election, and shall perform all the duties required by law of the clerks of district boards.
N.J.S. § 19:6-10