N.J. Stat. Ann. § 52:27D-118.19

In the event that any funds remain undistributed after all eligible municipalities or fire districts have had an opportunity to enter into a contract pursuant to this supplementary act, there shall be established a discretionary fund, and eligible municipalities or fire districts may make application for such funds as still remain undistributed as determined by the director. Any funds paid pursuant to this section shall be for the purposes of augmenting or upgrading fire services in the State.