N.J. Stat. § 51:1-74
All public weighmasters and certified weighers shall be appointed by the State Superintendent of Weights and Measures for the term of three years. The State superintendent shall issue a certificate of such appointment and shall keep a record thereof. Upon appointment or any renewal thereof a fee of $150 shall be paid to the State superintendent and by him paid to the State Treasurer for deposit into the "Weights and Measures Fund" created pursuant to section 8 of P.L. 1994, c.60 (C.51:1-54.4).
The State superintendent may on request of a State officer, commission, board, institution or agency of the State Government and without payment of any fee designate and appoint an officer or employee of any such officer, commission, board, institution or agency as weighmaster and issue to him a weighmaster's certificate.
N.J.S. § 51:1-74