The wheat commission shall be composed of five members who:

(1) Are landowning residents of South Dakota;

(2) Are at least twenty–five years of age and residents of South Dakota;

(3) Have been actually engaged in growing wheat in this state for a period of at least five years;

(4) Derive a substantial portion of their income from growing wheat; and

(5) Are participating growers.

Source: SL 1961, ch 11, § 4 (2); SL 1993, ch 302, § 4.