(1) The fund shall be used to defray the costs of debt service to retire revenue bonds issued to defray the costs of constructing and equipping any mining and minerals building authorized by the General Assembly for construction on the University of Kentucky campus. Idle funds shall be invested as provided by law for funds of the University of Kentucky. Investment earnings shall be deposited in the fund.
(2) A separate budget for required debt service on a mining and minerals building shall be submitted in accordance with KRS Chapter 45.