N.J. Stat. § 42:1A-5: Principles of law and equity applicable; rate of interest determined

5. a. Unless displaced by particular provisions of this act, the principles of law and equity supplement this act.

b. If an obligation to pay interest arises under this act and the rate is not specified, the rate of interest shall be at the rates provided by the Rules Governing the Courts of the State of New Jersey for the applicable period of time.

L.2000,c.161,s.5.