305.239. All contracts for the acquisition, construction,development, improvement, operation and maintenance of airports,or other air navigation facilities, made by the department oftransportation, either as the agent of the state orthe agent of any political subdivision, shall be made pursuant tothe laws of the state governing the making of such contracts,except that, where the acquisition, construction, development,improvement, operation and maintenance of any airport or otherair navigation facility is financed wholly or partially withfederal money, the department, as agent of the state or anypolitical subdivision thereof, may let contracts in the mannerprescribed by federal authorities, acting under the laws, rulesor regulations of the United States, and in the manner prescribedby the charters of the charter cities of the state,notwithstanding any provision of state law to the contrary.
(L. 1989 S.B. 448 ยง 3)