Indiana Code Title 8. Utilities and Transportation § 8-21-1-9

Sec. 9. (a) The department is authorized to cooperate with the government of the United States, and any agency or department of the United States, in the acquisition, construction, improvement, maintenance, and operation of airports and other air navigation facilities in this state, and to comply with the provisions of the laws of the United States and any regulations made under the laws of the United States for the expenditure of federal moneys upon such airports and other navigation facilities.

(b) The department may accept, receive, and receipt for federal money and other moneys, either public or private, for and in behalf of any municipality or person, for the acquisition, construction, improvement, maintenance, and operation of airports and other navigation facilities, where such work is to be done by such municipalities or persons aided by grants of aid from the United States, upon such terms and conditions as are or may be prescribed by the laws of the United States and any rules or regulations made thereunder.

(c) All moneys accepted for disbursement by the department in accordance with the provisions of this section shall be deposited in the state treasury, and, unless otherwise prescribed by the authority from which the money is received, kept in separate funds, designated according to the purposes for which the moneys were made available, and held by the state in trust for such purposes. The department is authorized, whether acting for this state or as the agent of any of its municipalities, or when requested by the United States government or any agency or department of the United States, to disburse such moneys for the designated purposes, but this shall not preclude any other authorized method of disbursement.