Okla. Stat. tit. 74, § 74-1226.9

Any holder of bonds issued under the provisions of this act 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 act 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 charges

and compensation for use of projects.