Mississippi Code Title 7. Executive Department § 7-7-40

The State Fiscal Officer shall have the authority to approve escalations in a budget using special funds pursuant to specific authorization stated in an appropriation bill. Upon written documentation submitted by an agency head, the State Fiscal Officer shall also have the authority to approve escalations to a budget using donated or endowment funds designated for a specific purpose and using insurance proceeds as a result of damage to state property. Such escalations may not exceed the amount of such donated or endowment funds or insurance proceeds.