Okla. Stat. tit. 12, § 12-1148.16: Summons for eviction

The summons to be issued in an action for forcible entry and

detainer, commonly known as an eviction, shall be in a form

developed in plain and understandable language by the Oklahoma Bar

Association. The Administrative Office of the Courts shall provide

public access to the affidavit by providing a link to the form on

the Oklahoma State Courts Network (OSCN) website. The summons shall

be delivered no less than three (3) days before the scheduled time

and date of the court hearing. This scheduled date and time shall

not be less than five (5) days from the date the summons is issued.