Okla. Admin. Code § 310:2-23-3
Proceedings for declaratory ruling upon the applicability of any rule or order of the agency may be initiated before the Department by filing with the Office of Administrative Hearings a Petition which seeks relief authorized by 75 O.S. § 307. Each petition shall be styled "In re the request of __________, Petitioner, for a declaratory ruling." The person or entity filing the Petition shall be denominated the Petitioner and the Department shall be denominated the Respondent. The petition shall include a statement of the legal authority and jurisdiction under which the proceeding is to be held, a reference to the particular sections of the rules or orders involved, a short and plain statement of the matters asserted giving a right to relief and the relief requested.
Okla. Admin. Code § 310:2-23-3