Okla. Stat. tit. 12, § 12-707: Dismissal or default judgment against state - Necessity of

proof of notice.

No order shall be made by any county, district or superior court

in this state dismissing, for want of prosecution, any action now

pending or hereafter filed, wherein the State of Oklahoma is an

interested party and in which the Attorney General or any assistant

Attorney General shall appear as attorney of record, for the state,

nor shall any judgment by default against the State of Oklahoma be

rendered by any such court in such action, unless proof is made

(that the Attorney General or assistant Attorney General appearing

as counsel for the state, shall have been notified) in writing by

registered mail, at least ten (10) days prior to the date set for

such trial or hearing that the action has been set for trial.