N.J. Stat. Ann. § 54:50-7

The commissioner shall keep a record of all his official acts and shall preserve copies of all rules, regulations, decisions and orders made by him. Copies of any rule, regulation, decision or order made by him and of any paper or papers filed in any office maintained by him in the administration of this subtitle or of any state tax law may be authenticated under his official seal and when so authenticated shall be evidence in all courts of this state of the same weight and force as the original thereof. For authenticating any such copy he shall be paid a fee of one dollar.