58-8-9. Notice by mail to insurer--Proof of service.Service of process pursuant to §58-8-8 is sufficient, provided notice of such service and a copy of the process are sent within ten days thereafter by registered or certified mail by plaintiff or plaintiff's attorney to the defendant at its last known principal place of business, and the defendant's receipt, or receipt issued by the post office with which the letter is registered or certified, showing the name of the sender of the letter and the name and address of the person to whom the letter is addressed, and the affidavit of the plaintiff or plaintiff's attorney showing a compliance herewith are filed with the clerk of the court in which such action is pending on or before the date the defendant is required to appear, or within such further time as the court may allow. Source: SL 1966, ch 111, ch 12, §5; SL 1982, ch 28, §18.
South Dakota Legal Code