Okla. Admin. Code § 595:1-7-4
The petition shall be deemed filed when received by the Legal Division. The Department may, within thirty (30) days after filing, notify the petitioner whether a ruling will be issued. The petitioner may promptly notify the Legal Division in writing of any change in mailing address. Failure to do so is grounds for the denial of the petition. At any time within thirty (30) days after the filing of the petition, the Department may request clarification of any part of the petition. The petitioner may respond within ten (10) days of the mailing date of the request for clarification. If after receipt of the response, the Department is not able to render a declaratory ruling for lack of information, the Department may deny the petition.
Okla. Admin. Code § 595:1-7-4