New Jersey Statutes Title 40. Municipalities and Counties 40 § 14B-41

a. In the event that a service charge of any municipal authority with regard to any parcel of real property shall not be paid as and when due, interest shall accrue and be due to the municipal authority on the unpaid balance at the rate of 1 1/2percent per month until such service charge, and the interest thereon, shall be fully paid to the municipal authority.

b. Notwithstanding the provisions of subsection a. of this section regarding delinquent payments, if the Governor has declared a public health emergency pursuant to the “Emergency Health Powers Act,” P.L.2005, c. 222 (C.26:13-1 et seq.), or a state of emergency, pursuant to P.L.1942, c. 251 (C.App.A:9-33 et seq.), or both, in response to a flood, hurricane, superstorm, tornado, natural or other disaster, or public health emergency that the municipal authority has experienced, then, for the duration of the public health emergency, state of emergency, or both and for a period up to 90 days after the public health emergency, state of emergency, or both, are no longer in effect, the municipal authority may, in its discretion, refrain from charging interest on the delinquent payment. A municipal authority shall exercise the discretionary authority it is provided under this subsection consistently to all properties, or to all properties of the same use type or other appropriate category.