SDCL § 3-4-2: Resignation of office--To whom made.

Resignations may be made as follows:

(1) Of all state and district officers, either elective or appointive, to the Governor;

(2) Of all members of the Legislature to the presiding officer of its branches respectively when in session, and when not in session to the Governor; and when made to the presiding officer he shall at once notify the Governor;

(3) Of all officers of the Legislature to the respective branches thereof;

(4) Of all elective county officers, by filing with the county auditor such resignation in writing, which shall be filed or deposited with the board of county commissioners, which resignation unless a different time is fixed therein shall take effect upon such filing;

(5) Of officers of civil township to the board of supervisors of the township, except of members of such board, which shall be to the township clerk; and notice shall forthwith be given by the township clerk to the county auditor of the resignation of all officers whose bonds are filed with that officer;

(6) Of all officers holding office by appointment to the body, board, court, or officer that appointed them.