N.J. Stat. § 40A:2-25
Obligations shall be executed in the name of the local unit by the manual or facsimile signatures of such officials, including a financial officer, as may be designated by resolution, or if none be designated, of the director of the board of chosen freeholders of a county or the mayor, or other executive officer of the municipality and of a financial officer of the local unit, and shall be under the seal of the local unit affixed, imprinted or reproduced thereon and attested by the manual signature of the clerk or deputy clerk. Coupons attached to any obligation shall be authenticated by the facsimile or manual signature of the financial officer whose manual or facsimile signature appears upon the obligation.
Delivery of obligations fully executed by the officers holding office at the time of such execution shall be valid, notwithstanding any change in such officers or in the seal occurring after such execution.
N.J.S. § 40A:2-25