N.J. Stat. § 19:20-5: Certificates to successful candidates; signing and attestation

The chairman of the board, in the case of an election for senator or members of the assembly, or for any officer voted for by the voters of the entire county or of any subdivision thereof, except for members of the house of representatives, shall issue a certificate to the successful candidate based upon the statement of the determination of the board, and shall sign his name thereto, which shall be attested by the clerk of the board by signing his name and affixing the seal of the county. The clerk shall without delay deliver one of such certificates to each person who shall be so elected.