N.J. Stat. § 40A:5-41
In establishing the said classification system, the board shall utilize audits made by it or under its supervision and also the reports of the municipal magistrates, on file in the administrative office of the courts. The board shall confer with the administrative director of said office and, if it shall so desire, with municipal officials. The board shall take into consideration the probable amounts of money which will be received from fines, penalties and costs, and which will be handled for bail, security, fees and other purposes. After the establishment of the said classification system, no such official bond shall be given or accepted below the minimum amount prescribed by the said classification system and in no case shall any such official bond be in an amount less than $1,000.00.
N.J.S. § 40A:5-41