N.J. Stat. § 19:14-25
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 shall prepare and deposit in the post office, on or before 12 noon on Wednesday preceding the start of the early voting period for the general election, a properly stamped envelope containing a copy of the sample ballot printed in English, addressed to each registered voter in the district of such board at the address shown on the register, except that for districts in which the primary language of 10% or more of the registered voters is Spanish, a properly stamped envelope containing a copy of the bilingual sample ballot, addressed to each registered voter in the district of such board at the address shown on the register shall be prepared and deposited. The board shall also post the appropriate sample ballots in the polling place in its district.
The board shall return to the municipal clerk all ballots and envelopes not mailed or posted by it, with a sworn statement in writing signed by a majority of the board that all the remainder of such ballots and envelopes had been mailed.
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 19:14-21 of this Title, the commissioner of registration shall prepare and deposit in the post office on or before 12:00 o'clock noon, on the Wednesday preceding the start of the early voting period for the general election, a properly stamped envelope containing a copy of the sample ballot printed in English addressed to each registered voter in the county at the address shown on the registry, except that for districts in which the primary language of 10% or more of the registered voters is Spanish, a properly stamped envelope containing a copy of the bilingual sample ballot, addressed to each registered voter in the district of such board at the address shown on the register shall be prepared and deposited. The commissioner of registration shall return to the county clerk all ballots and envelopes not mailed or posted by him, with a sworn statement in writing signed by him that all the remainder of such ballots and envelopes have been mailed.
The county board of elections, in all 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 19:14-21 of this Title, shall, not later than the start of the early voting period for the election, deliver to the members of the district board three appropriate sample ballots for their respective election district. The board shall post the appropriate sample ballots in the polling place in its district.
N.J.S. § 19:14-25