MO Rev Stat § 305.310 (2021)
2021 Missouri Revised Statutes|Title XIX - Motor Vehicles, Watercraft and Aviation|Chapter 305 - Aircraft and Airports|Section 305.310 - Additional powers, competitive bids required, when — approval by authority of all transactions.

Effective - 28 Aug 1985   305.310. Additional powers, competitive bids required, when — approval by authority of all transactions. — 1. The authority may operate any authority airport and may charge and collect rents, rates or other compensation for any use thereof or for any service rendered by the authority in the operation thereof pursuant to such contracts for such terms, not exceeding forty years, as the authority shall determine, which terms may begin in futuro, provided that, subject to the capacity thereof, the landing field, landing strips, and services of any authority airport shall be available to any person without unjust or unreasonable discrimination as to services and charges for landing and takeoff by any aircraft.  2. The authority may grant to any person concessions or privileges in any part of any authority airport, other than the landing field and landing strips, and any related facilities for the control and safe operation of aircraft, the sheltering, servicing or repair of aircraft, the receiving, discharging, sheltering, feeding and supplemental transportation of passengers, the parking of motor vehicles, and the receipt, transfer, storage and discharge of any cargo or for any purpose reasonably incident to any of the foregoing, provided that any leases and any grants of concessions or privileges may be for such terms, not exceeding twenty years, as the authority shall determine, and any such term may begin in futuro.  3. The authority may regulate, to the extent not regulated by federal law or regulations, the navigation of aircraft over any authority airport and the perimeter area of such airport, the approach of aircraft to and their takeoff from any authority airport, and the use of any airport or related facilities so as to be consistent with the safe and efficient operation of the airport.  4. No city, town, county, or other political subdivision, located within the authority boundaries which owns an airport, may sell, give title or interest in, franchise, lease, contract for operation or maintenance, or otherwise convey, its airport to or with any other state, authority or political subdivision without the prior approval of the county airport authority.  5. All purchases, rentals, or leases of all goods, supplies, insurance, services, bonds, wares, commodities, or other items, tangible or intangible, by or for the authority, shall be based on competitive bids. The authority shall advertise for bids in at least one newspaper of general circulation in the area served by the authority at least five days before bids for the purchases, rentals, or leases are to be opened. All bids shall be mailed or delivered to the office of the authority so as to reach it before the time set for opening bids. The purchase shall be let to the lowest and best bidders. The authority may reject the bids and advertise for new bids. Purchases where the estimated expenditure is less than one thousand dollars may be made without the securing of bids. ­­-------- (L. 1985 S.B. 145 & 166 § 4)