N.J. Stat. § 19:31-20
On or before the eighth day preceding the primary election for the general election and the general election, respectively, the commissioner in counties not having a superintendent of elections, shall deliver to the municipal clerk in each municipality the signature copy registers for each election district in such municipality and shall take a receipt for same. The municipal clerk shall thereupon deliver at his office, or in any other way he sees fit, such registers to a member or members of the proper district boards at the same time and together with the primary for the general election sample ballots or the general election sample ballots, as the case may be. The registers shall be used by the district boards on election days and for the purpose of mailing the sample ballots. The commissioner in counties having a superintendent of elections shall deliver such registers at his office, or in any other way he may see fit, to the various district boards, taking a receipt for same.
Before delivering the registers the commissioner shall cause to be printed upon a separate sheet or sheets of paper, to be inserted inside of the front cover of such registers in conspicuous type, such instructions to election officers regarding the use and disposition of the binders and forms as he deems necessary.
N.J.S. § 19:31-20