N.J. Stat. § 19:48-3.17
In any case in which voting machines have been so installed for use in part of, but not in all of, the election districts of any municipality in any county of the first or second class, thereby preventing the holding of any such municipal election in such municipality with the use of voting machines in all election districts, in accordance with the provisions of law relating to elections where voting machines are used, the superintendent of elections of any such county having a superintendent of elections or the county board of elections of any such county of the second class, if there be no superintendent of elections, as the case may be, may rent from any other county or counties in which voting machines have been installed under any law other than the act to which this act is a supplement, as many voting machines and any pertinent equipment as, in his or its judgment, shall be necessary to carry out the purpose of this act by providing voting machines for use in all of such election districts in such municipality at any municipal election to be held therein; provided, however, that all voting machines so rented shall conform substantially to the type of voting machines already installed for use in such municipality.
N.J.S. § 19:48-3.17