Okla. Stat. tit. 12, § 12-951: Appellate jurisdiction of the district court

(a) A judgment rendered, or final order made, by any tribunal,

board or officer exercising judicial functions, and inferior in

jurisdiction to the district court, may be reversed, vacated or

modified by the district court except where an appeal to some other

court is provided by law.

(b) Unless otherwise provided by law, proceedings for review of

a judgment or final order shall be commenced by filing a petition in

the district court of the county where the inferior tribunal, board

or officer rendered the order within thirty (30) days of the date

that a copy of the judgment or final order is mailed to the

appellant, as shown by the certificate of mailing attached to the

judgment or final order.

R.L. 1910, § 5235. Amended by Laws 1998, c. 374, § 1, eff. Nov. 1,

1998.