(a) Effective for taxable years beginning on or after January 1, 1991, and notwithstanding any provisions of this code to the contrary, any financial organization having its commercial domicile in this state shall be allowed a credit against the tax imposed by this article for any taxable year for taxes paid to another state. That credit shall be equal in amount to the lesser of:
(1) The taxes such financial organization shall actually have paid, which payments were made on or before the filing date of the annual return required by this article, to any other state and which tax was based upon or measured by the financial organization's capital and was paid with respect to the same taxable year; or