Idaho Code § 58-136: Holding in trust money or lands donated.

The state board of land commissioners shall have authority to receive and to hold in trust any money or lands donated, bequeathed, or devised and to carry out the terms, if any, of such donation, bequest or devise, or, in the absence of such terms or conditions, expend, use and administer the same as it may deem advisable in the public interest.