Okla. Stat. tit. 40, § 40-2-614: Waiver of appeal time

WAIVER OF APPEAL TIME.

All time periods provided for appeals pursuant to the provisions

of Article 2 of the Employment Security Act of 1980 may be waived

for good cause shown up to one (1) year after the date of the

determination or redetermination; provided, this waiver shall not

apply to appeals to district court of decisions of the Board of

Review.