Okla. Stat. tit. 12, Rule 1.116
An appeal from the tribunal's decision shall be commenced by filing a petition in error in this Court within thirty days from the date of the decision with payment of statutory costs or affidavit in forma pauperis. 36 O.S. § 937. A petition in error will be deemed filed on date of mailing when mailed in accordance with Rule 1.4(c). See Rule 1.4(c) and (e).
Adopted by order of the Supreme Court, eff. January 1, 1997. Amended by order of the Supreme Court, 2013 OK 67, eff. August 1, 2013. (superseded document available)