N.J. Stat. § 54:5-46.1
Whenever a collector of taxes or other officer authorized by law in any municipality has sold or shall sell any real property for unpaid taxes, assessments or other municipal charges, but fails or has failed to issue certificates of sale therefor and has since died or ceased to hold office, or shall die or cease to hold office, it shall be lawful for the successor in office of such collector or other officer to execute, acknowledge and deliver a certificate of sale for the real property so sold by the former collector or other officer to the purchaser thereof, and any such certificate of sale heretofore or hereafter made by the successor in office of such collector or other officer who sold the same for taxes or other municipal liens, shall be valid and effectual to all intents and purposes as though made by the officer who conducted such sale.
N.J.S. § 54:5-46.1