(a) Credit allowed. -- Eligible taxpayers shall be allowed a credit against taxes imposed by this state, the application of which and the amount of which shall be determined as provided in this article.
(b) Amount of credit. -- The amount of credit allowable is fifty percent of the amount of the taxpayer's "eligible contribution".
(c) Application of credit within five years. -- The amount of credit allowable must be taken within a five-year period, beginning with the tax year in which the taxpayer irrevocably transfers its eligible contribution to the project plan transferee. Notwithstanding any other provision of this article to the contrary, the tax credit which a taxpayer receives under this article may not exceed $100,000 in any tax year of the eligible taxpayer. A tax credit shall be allowable under this article only for the tax year of the eligible taxpayer in which the eligible contribution is irretrievably transferred to the project plan transferee, and for the next succeeding four tax years.