W. Va. Code § 11-13X-6
(a) In order for any eligible company to claim a tax credit under this article, it shall comply with the following requirements:
(4) Submit to the Office of Economic Development information required by the office to demonstrate conformity with the requirements of this section and shall agree in writing:
(B) To delay filing of a claim for the tax credit authorized by this article until the Office of Economic Development delivers written notification to the Tax Commissioner that the eligible company has fulfilled all requirements for the credit.
The Office of Economic Development shall determine the eligibility of the company and the qualification of each project, and shall report this information to the Tax Commissioner in a manner and at times the Office of Economic Development and the Tax Commissioner shall agree upon.
(b) Upon completion of a qualified project: