(Amended by Ordinance No. 139221, effective Jan. 20, 1975.) It shall be the duty of the concessionaire contracted by the City to collect at the municipal golf courses and account for the fees herein provided. It will be the duty of City employees to collect and account for the fees where no such concessionaire contract is provided. All fees and charges received on account of the issuance of the tickets shall be devoted to administrative purposes of the City’s golfing facility with the understanding that participants in the games are subject to prescribed rules and regulations, that they assume their own risks, and that no obligation on the part of the City shall obtain other than what may apply to the City in its governmental capacity.