The credit is applied to reduce the corporation net income tax imposed under 11-24-1 et seq. of this code (determined after application of §11-13Y-1 et seq. of this code and any other allowable credits against tax) or any similar tax, including, but not limited to, local or foreign income, alternative, minimum, accumulated earnings, personal holding company, franchise, capital stock, profits, windfall profits, or gross receipts tax to zero. The amount of annual credit allowed will not reduce corporation net income tax, imposed under §11-24-1 et seq. of this code or any similar tax, including, but not limited to, local or foreign income, alternative, minimum, accumulated earnings, personal holding company, franchise, capital stock, profits, windfall profits, or gross receipts tax below zero. Notwithstanding §11-24-13a(g) and §11-24-13c(b)(2) of this code or any other provisions under this code, credit earned by one member of a combined group, but not fully used by that member, may be used, in whole or in part, by another member of the combined group to reduce the corporation net income tax imposed under §11-24-1 et seq. of this code or any similar tax, including, but not limited to, local or foreign income, alternative, minimum, accumulated earnings, personal holding company, franchise, capital stock, profits, windfall profits, or gross receipts tax to zero;
W. Va. Code § 11-13LL-4