The board of county commissioners of any county which owns a fairgrounds may rent or lease all or any part of the fairgrounds or any building thereon to any person, firm or corporation but every such rental agreement or lease shall provide for possession and occupancy of the fairgrounds or buildings by the renter or lessee only during the time the same are not needed and will not be used for fair purposes. All moneys derived from such renting or leasing shall be used for local fair purposes. Any such board of county commissioners may authorize any fair association which has charge or supervision of any such fairgrounds and buildings to rent or lease the same for or on behalf of said board.
K.S.A. 2-129b