A fire district may make emergency appropriations, after the adoption of a budget approved by the Director of the Division of Local Government Services pursuant to P.L. 1983, c. 313 (C. 40A:5A-1 et seq.), for a purpose which is not foreseen at the time of the adoption thereof, or for which adequate provision was not made therein. This appropriation shall be made only to meet a pressing need for public expenditure to protect or promote the public health, safety, morals or welfare.
N.J.S. § 40A:14-78.11