Okla. Stat. tit. 79 § 211
A person filing a petition, counterclaim, or answer in any Oklahoma court, agency, or commission for any violation of the provisions of this act shall simultaneously with the filing of the pleading serve a copy of the petition, counterclaim, or answer on the Attorney General. The Attorney General may appear as amicus curiae in any civil action or proceeding pending before any Oklahoma court, agency, or commission in which matters related to this act appear to be in issue. Service of any notice required under this section does not limit or otherwise affect the right of the Attorney General to maintain an action under this act or intervene in a pending action, nor does it authorize the person to name this state or the Attorney General as a party to the action.
Okla. Stat. tit. 79, § 211