In addition to its duty to make a plan for recreation and for the facilities for recreation, and to update and revise these plans from time to time, the Board shall have oversight of the properties and personnel devoted to parks and recreation, subject to the limitation of expenditures for salaries and supplies, contracts and capital outlays set forth in the annual budget provided by the Council for park and recreation operations. The Board shall cooperate with the Mayor and City Administrator in the allotment of time of City employees for park and recreation purposes. The Chairperson shall order supplies by the procedures established by the Council for all departments of the City, and payment will be made by warrant-check written by the City Administrator for invoices submitted and approved by the Board. The City Treasurer shall have custody of park monies which shall be kept in the General Fund.