W. Va. Code § 11-13N-6
The amount of credit allowed under this article for the taxable year to a partnership or limited liability company classified as a partnership for the taxable year, or to an electing small business corporation, that remains after application the credit against the tax imposed by article twenty-three of this chapter as provided in subsection (a), section five of this article shall be allocated to the individual partners, members or shareholders, as the case may be, in proportion to their ownership interest in the partnership, limited liability company or electing small business corporation. The amount of credit allocated to the individual partners, members or shareholders, as the case may be, may be applied against the taxes imposed by articles twenty-one and twenty-four of this chapter in accordance with the rule set forth in subsection (b), section five of this article.
W. Va. Code § 11-13N-6