The petition need not be on a single sheet of paper but may be on any number of separate sheets of paper, for the purpose of more conveniently obtaining signatures. Each separate paper shall be in the form provided in section 40:85-3 of this title, and there shall be attached thereto an affidavit by the person who procured the signatures, declaring that the signatures thereon are in the handwriting of the signers, and to the best of his knowledge and belief are the signatures of the persons purporting to have signed the same. The affidavit may be sworn to before any officer competent to administer oaths.
N.J.S. § 40:85-5