Miss. Code § 55-3-54
There is created in the State Treasury a special fund to be known as the "State Parks Timber Management Endowment Fund." The fund shall consist of all monies required to be deposited therein under the provisions of Section 55-3-53. The principal of the fund shall remain inviolate and shall be invested as provided by law. Interest and income derived from investment of the principal of the fund may be expended by the Mississippi Department of Wildlife, Fisheries and Parks, upon appropriation by the Legislature, only for the purpose of constructing, reconstructing, repairing, renovating or making improvements to real and personal property and facilities on any of the state parks under the jurisdiction and control of the Commission on Wildlife, Fisheries and Parks. Unexpended amounts remaining in the fund at the end of a fiscal year shall not lapse into the State General Fund, and any interest earned on amounts in the fund shall be deposited to the credit of the fund.
Miss. Code § 55-3-54