Ohio Rev. Code § 4561.09
Each regional airport authority, county, municipal corporation, and agency of this state may accept, receive, and give receipt for federal funds upon such terms as are prescribed by the laws of the United States and any rules and regulations made thereunder, and may treat similarly other funds, public or private, for the acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, and other air navigation facilities.
The board of trustees of a regional airport authority and the legislative body of each county or municipal corporation may designate the department of transportation as the agent of such regional airport authority, county, or municipal corporation to accept, receive, and receipt for federal funds upon such terms as are prescribed by the laws of the United States and any rules or regulations made thereunder, and to treat similarly other funds, public or private, for the acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, and other air navigation facilities, whether such work is to be done by the regional airport authority, county, or municipal corporation alone, or jointly with the state, or jointly with the state and other counties or municipal corporations. Such board of trustees or legislative body may designate the department as its agent in any other matter connected with the acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, and other air navigation facilities, and may enter into, or authorize the executive department of such political subdivision to enter into, an agreement with the department prescribing the terms of such agency, in accordance with the laws of the United States and any rules or regulations made thereunder.
All contracts for the acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, or other air navigation facilities made by a regional airport authority, county, municipal corporation, or agency of this state shall be made pursuant to the laws of this state governing the making of such contracts; provided that when the acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, or other air navigation facilities is financed wholly or partly with federal funds, the regional airport authority, county, municipal corporation, or agency of this state may let contracts in the manner prescribed by the federal authorities acting under the laws of the United States and any rules or regulations made thereunder.
R.C. § 4561.09