None of the provisions of this act shall alter, amend, modify, affect, diminish or impair the enforceability of, or any obligation or liability of the Oklahoma Capital Investment Board or any entity which is a subsidiary or affiliate of the Oklahoma Capital Investment Board or any entity which is controlled either directly or indirectly by the Oklahoma Capital Investment Board under any contract, agreement, guarantee or instrument entered into or delivered by such party with any business entity or bank, financial institution or any other entity existing as of the effective date of this act, including, without limitation, any guarantee extended by the Oklahoma Capital Investment Board and any assignment of any third-party commitments to purchase, and proceeds released from the sale of, tax credits, all of which shall remain in full force and effect.