Okla. Stat. tit. 12 § 1173.2
Upon the filing of such affidavit and the undertaking and, when a hearing is required, after said hearing, where the garnishment is for the collection of support, garnishee summons shall be issued by the judge of the district court if prejudgment garnishment is sought or by the clerk of the district court if postjudgment garnishment is sought and served upon each of the garnishees, in the manner provided for service of summons, and shall be returned with proof of service within five (5) days of its date except when issued to another county it shall be returned with proof of service within ten (10) days from its date. The garnishee summons shall be on a form prescribed by the Oklahoma Bar Association. The Administrative Office of the Courts shall provide for public access to the garnishee summons by providing a link to the form on Oklahoma State Courts Network (OSCN) website.
Okla. Stat. tit. 12, § 1173.2