SDCL § 21-18-10: Service of garnishee summons and affidavit on defendant.

The garnishee summons and affidavit shall also be served on the defendant to the action, either before or within thirty days after service on a garnishee, unless service of the summons in the action is made without the state or by publication, or by registered mail pursuant to § 21-18-11. If the defendant appears in the action by attorney, service may be made upon the attorney or upon the defendant.