N.Y. Comp. Codes R. & Regs. tit. 21 § 9003.51
ParksCorp shall periodically establish any fees it deems necessary or appropriate for the administration, maintenance and use by the public of such park facilities, including fees incident to the administration of the application for and the issuance of a permit, and/or based on consideration of such factors as impact of activities on the general public's use of the parks, costs and other factors affecting parks maintenance and operation, fair value when a commercial enterprise or substantial fund raising is involved, risks of damage, potential for liability, and other matters related to sound operation of the parks, subject to the approval of the BPCA. Fee schedules for such facilities shall be published and posted at the offices of ParksCorp.
N.Y. Comp. Codes R. & Regs. Tit. 21 § 9003.51