W. Va. Code § 11-13W-1
(a) Credit allowed. - For those tax years beginning on or after January 1, 2008, there is allowed a credit for any taxpayer against certain taxes imposed by this state as described in subsection (d) of this section for wages paid to apprentices in the construction trades who are registered with the United States Department of Labor, Office of Apprenticeship, West Virginia State Office, by the taxpayer in the tax year that an apprentice and taxpayer participate in a qualified apprenticeship training program, as described in this section, which is:
(d) Application of annual credit allowance. - The amount of credit as determined under subsection (b) of this section is allowed as a credit against the taxpayer’s state tax liability applied as provided in subdivisions (1) through (2), inclusive, of this subsection, and in that order.
(2) Personal income taxes. — After application of subdivision (1) of this subsection, any unused credit is next applied as follows: