Except as provided otherwise in this subsection, effective July 1, 2024, within 60 days of the end of each fiscal year, the secretary shall cause to be deposited into the Revenue Shortfall Reserve Fund such amount of the first 50 percent of all surplus revenues, if any, determined to have accrued during the fiscal year just ended, as may be necessary to bring the combined balance of the Revenue Shortfall Reserve Fund and the Revenue Shortfall Reserve Fund - Part B to an amount equal to 20 percent of a rolling average of the preceding three fiscal years' general revenue appropriations in Title II, Section 1, providing for appropriations from general revenue, of the enrolled and enacted version of the state's fiscal year budget: Provided, That no general revenue supplemental appropriations appropriated from the state's general revenue unappropriated balance or general revenue unappropriated surplus balance will be included in the calculation of the state's general revenue appropriations.
W. Va. Code § 11B-2-20