When the property described in Section 65-1-161 is conveyed to the Mississippi Highway Department as authorized, the proceeds from this conveyance of parcels 1, 2, 3 and 4, shall be deposited to the credit of the Mississippi School for the Deaf and the Mississippi School for the Blind, in a special account created in the State Treasury for the use of the Governor’s Office of General Services, Bureau of Building, Grounds and Real Property Management for the renovation of capital improvements of buildings and grounds on school property. The proceeds from the conveyance of the property in parcel 5 shall be deposited to the credit of Special Fund Account of the Mississippi Department of Agriculture and Commerce for the use and benefit of the Mississippi Agriculture and Forestry Museum. Monies in the special funds shall be expended only upon appropriation by the Legislature and upon requisitions signed by the proper person, officer or officers. Any monies appropriated from the special funds shall be in addition to other legislative appropriations which shall not be reduced because of the existence of the special fund.