(a) Any eligible taxpayer which desires to claim a tax credit as provided in this article shall file with the West Virginia Tax Commissioner, in such form as the Tax Commissioner may prescribe, an annual tax credit reporting schedule stating the amount of the eligible contribution which the taxpayer has made. The eligible taxpayer shall file with the tax credit reporting schedule a certificate, issued by the director of the West Virginia Development Office, evidencing approval of the project plan by the director of the West Virginia Development Office, pursuant to which the contribution was made.

(b) In the tax credit reporting schedule required under this section, the taxpayer shall provide all information required by the Tax Commissioner's prescribed form.

(c) The tax credit reporting schedule shall be filed with the annual return for the taxes imposed by article twenty-four of this chapter for the tax year in which the eligible contribution is first irrevocably transferred to a transferee pursuant to a certified project plan: Provided, That, if the eligible taxpayer is not required to file a tax return under article twenty-four of this chapter, then such tax credit reporting schedule shall be filed with the annual return for the taxes imposed by article twenty-three of this chapter for such year: Provided, however, That, if the eligible taxpayer is not required to file a tax return under article twenty-three or twenty-four of this chapter, then such tax credit reporting schedule shall be filed with the annual return for the taxes imposed by article twenty-one of this chapter for such year.

(d) The tax credit reporting schedule shall be accompanied by such proof of payment as the Tax Commissioner may prescribe, showing that the amount to be contributed under the certified project plan has been paid to the transferee designated in the certified plan solely for the certified project.

(e) The Tax Commissioner may disallow any credit claimed under this article for which a properly completed tax credit reporting schedule or a properly completed and valid statement or proof of payment of the eligible contribution, or other required documentation, statements or proofs are not timely filed.