A subpoena may be served by a sheriff, by his deputy, or by any other person who is not a party and who is not less than eighteen years of age. Service of a subpoena shall be made by delivering a copy thereof to the person named and by tendering to him the fee for one day's attendance and the mileage allowed by law. Fees and mileage need not be tendered to a witness upon service of a subpoena issued on behalf of the state, on behalf of a person residing within the county in which the action is pending, or on behalf of a defendant who has received court appointed counsel pursuant to chapter 23A-40.
SDCL 23A-14-6