Okla. Stat. tit. 70, § 70-23-115: Rights of trustee

Any holder of bonds issued under the provisions of this article

or any of the coupons appertaining thereto, and the trustee under

the trust agreement, except to the extent the rights herein given

may be restricted by such trust agreement, may, either at law or in

equity, by suit, action, mandamus or other proceeding protect and

enforce any and all rights under the laws of the state or granted

hereunder or under such trust agreement or the resolution

authorizing the issuance of such bonds, and may enforce and compel

the performance of all duties required by this article or by such

trust agreement or resolution to be performed by the Authority or by

any officer thereof including the fixing, charging and collecting of

fees.