Okla. Stat. tit. 62, § 62-761: Impairment of other bonds, obligations or refunding

transactions prohibited.

Nothing in the General Obligation Public Securities Refunding

Act shall be construed so as to impair the obligations of any

refunding bonds issued or any refunding transaction consummated by a

public body prior to the effective date of this act, or otherwise to

invalidate any such bond, obligation, or refunding transaction.