Okla. Stat. tit. 62 § 116
The holders of all registered bonds issued pursuant to this act upon the surrender of and exchange for coupon bonds of this state shall be entitled to the benefit of any adjudication or determination of any court of this state authorizing the issuance of the coupon bonds surrendered in exchange therefor, or determining the validity of the indebtedness evidenced thereby, and the payment of the principal and interest of all registered bonds issued pursuant hereto shall be made and provided for out of the taxes provided or levied for the purpose of paying the coupon bonds which are surrendered in exchange for such registered bonds. The holders of any registered bond issued pursuant hereto shall be subrogated to and entitled to all the rights and remedies of the holders of the coupon bonds surrendered in exchange for such registered bonds.
Okla. Stat. tit. 62, § 116