SDCL § 10-1-5: Deputy secretary of revenue--Appointment and oath of office--Absence or disability of secretary.

The secretary of revenue may appoint a deputy secretary of revenue, whose appointment shall be evidenced by a certificate under the official seal of the state, and continues at the pleasure of the secretary. The deputy secretary of revenue, before entering upon the duties of office, shall take and subscribe the usual oath of office required by the Constitution, which appointment and oath shall be filed in the office of the secretary of state. In case of the absence or disability of the secretary of revenue, the deputy secretary shall perform the duties required by law of the secretary.