This section shall have no force or effect after the thirty-first day of December, two thousand three: Provided, That tax liabilities arising for periods ending before the first day of January, two thousand four, shall be determined, paid, administered, assessed and collected as if this section had not been repealed, and the rights and duties of the taxpayer and the state of West Virginia are fully and completely preserved.
W. Va. Code § 11-15A-13