Ex parte communications are governed by Rule 2.9, Appendix 4 of Title 5 of the Oklahoma Statutes. Communication with the Office of Administrative Hearings: Child Support (OAH) regarding scheduling and procedural matters is permitted and includes physical and/or technical requirements, preferences, or requested accommodations regarding the hearing setting and/or arrangement, per Rule 2.9. Child Support Services (CSS) and OAH are permitted to communicate regarding the creation/existence of a CSS family violence indicator in a particular case, per Rule 2.9.
Okla. Admin. Code § 340:2-28-11.1