ARSD 20:03:05:03. Service of answer

One copy of the answer shall be served on all parties, the members of the commission, and the division by personal delivery or by certified or registered mail. An affidavit of mailing or service, copies of the receipts for delivery by certified or registered mail, an admission of service, or other competent evidence shall suffice as proof of service which shall be supplied to the investigating official at the time of the filing or within 10 days after the filing of the answer.