Okla. Admin. Code § 240:15-11-1
The Board of Review decision shall be based upon the record compiled by the Appeal Tribunal. Within a reasonable time, the Board shall enter a decision affirming, modifying, remanding or reversing the decision of the Appeal Tribunal. The decision shall be in writing and shall be signed by a majority of the members of the Board. Copies of the decision shall be promptly mailed by the Clerk to all parties of record in the case and shall bear appeal rights of the parties. The decision shall be final and binding unless within thirty (30) days after the mailing of the decision to the parties' last known address, a petition for review of the Board decision is filed by an interested party in a District Court pursuant to Section 2-610, Title 40 Okla. Stat. 1980.
Okla. Admin. Code § 240:15-11-1