Sec. 13. "Grant" means money received under a written agreement or written agreements for a grant or gift from any one (1) or more of the following sources:
(1) The United States government or its agencies.
(2) The state or any of its agencies.
(3) A private corporation, individual, trust, or foundation, if the money is provided for the purpose of acquisition, improvement, renovation, or construction of building facilities that a state educational institution may lawfully undertake.