A petition for rehearing is not required before an appeal may be perfected in accordance with Title 75 O.S., Section 317 . A petition for rehearing, reopening or reconsideration of a final order may be filed with the Board within ten (10) days from the entry of the final order. It must be signed by the party or his/her attorney or representative and must set forth the statutory grounds upon which it is based. However, a petition for rehearing based upon fraud by any party or procurement of the final order by perjured testimony or fictitious evidence may be filed at any time.
Okla. Admin. Code § 510:1-5-11