South Dakota Codified Laws
Chapter 25 - Livestock Registry Associations
Section 40-25-10 - Officers of association.

40-25-10. Officers of association.
The officers of every purebred livestock registry association shall be a president, one or more vice-presidents, a secretary, and a treasurer, who shall be elected annually by the directors and each of such officers must be a director of the association. The office of secretary and treasurer may be combined and when so combined the person filling the office shall be the secretary-treasurer.

Source: SDC 1939, ยง40.1609.