N.J. Stat. § 19:23-33
In counties not having a superintendent of elections where the county board of elections does not have the equipment or facilities to address and mail sample ballot envelopes, the municipal clerk in each municipality shall furnish to a member of each district board in his municipality, at his office, or in any other way that he sees fit, on or before Tuesday preceding the start of the early voting period for the primary election in each year, sufficient sample ballots and sufficient stamped envelopes to enable the board to mail sample ballots to the voters as hereinbefore provided. Each of the boards shall give the municipal clerk a receipt for such sample ballots and envelopes signed by one of its members.
In counties having a superintendent of elections, and in other counties where the county board of elections shall elect to operate under the provisions of subsection b. of section 19:23-30 of this Title, the municipal clerk in each municipality shall furnish to the commissioner of registration of his county not later than the eighth day preceding the start of the early voting period for the primary election of each year, sufficient stamped envelopes to enable the commissioner of registration to mail sample ballots to each voter who is registered in the county, less the number of voters who have been sent a confirmation notice pursuant to subsection d. of R.S. 19:31-15 and have not responded, and shall, not later than noon of the seventh day preceding the start of the early voting period for the primary election furnish sufficient sample ballots to the commissioner of registration of his county for that purpose. The commissioner of registration shall give the municipal clerk a receipt for such sample ballots and envelopes.
N.J.S. § 19:23-33