N.J. Stat. § 40:12-8
The money necessary to pay for lands purchased or condemned for such playgrounds and recreation places, and for providing and equipping the same, from time to time, may be raised and provided by the board or body having control of the finances by general taxation, as other taxes are raised and levied, or by the issuance of temporary loan bonds, or by the issuance of permanent bonds. All such bonds or other obligations shall be issued and paid in the manner provided by article 1 of chapter 1 of this title (s. 40:1-1 et seq.).
All moneys received by the board shall be paid over to the municipal or county treasurer and be by him kept in a special fund, which shall be under the control of the board and used only for the purpose of defraying the expenses of improving, maintaining or policing the playgrounds and recreation places and for the other expenses of the board.
N.J.S. § 40:12-8