South Dakota Codified Laws
Chapter 03 - Administration Of Oaths
Section 18-3-6 - Fee not charged for administration of oath by public officer.

18-3-6. Fee not charged for administration of oath by public officer.
No fee for the administering of oaths shall be charged or taxed as costs against any person by any official authorized to administer oaths when the oath so administered is in connection with some official duty of said officer essential to the administration of his office.

Source: SL 1929, ch 205; SDC 1939, ยง48.0802.