N.J. Stat. Ann. § 40A:4-45.3d

In addition to the exceptions to the limit on increases in final appropriations for any budget year, listed in section 3 of P.L.1976, c.68 (C.40A:4-45.3), the Local Finance Board shall have the authority to grant additional exceptions, applicable to all municipalities and only effective for the local budget year in which the exception is granted, upon a finding of extraordinary circumstances that result in an unanticipated increase in expenditures for a service essential to the health, safety and welfare of the residents of the State.