The permanent building fund is hereby created and established in the state treasury to which shall be deposited all revenues derived from taxes imposed and transfers authorized pursuant to the provisions of this act. All moneys now or hereafter in the permanent building fund are hereby dedicated for the purpose of building needed structures, renovations, repairs to and remodeling of existing structures at the several state institutions and for the several agencies of state government. The state treasurer shall invest the idle moneys in the fund, and the interest earned on such investments shall be retained by the fund.
Idaho Code § 57-1108