Okla. Stat. tit. 22, § 1089.3
In the event the state does not file the application to appeal as provided in Section 2 of this act, the state shall have waived any right to appeal from the magistrate's adverse decision. The magistrate's order shall then be final.
Laws 1987, SB 271, c. 162, § 3, emerg. eff. June 25, 1987.