Okla. Admin. Code § 260:40-5-16
Unless precluded by law, informal disposition may be made of any individual proceeding or other hearing, agreed settlement, consent order, or default. Other authorized representatives may request a full and fair review of decisions denying claims and may review documents and submit comments in writing within ninety (90) days after notice of denial.
Added at 31 Ok Reg 1358, eff 9-12-14