SDCL § 47-9A-9: Farms, for scientific, medical, research, or experimental purposes exempt if sale of products incidental.

The restrictions of §§ 47-9A-1 and 47-9A-3 do not apply to any entity that engages in farming primarily for scientific, medical, research, or experimental purposes. However, any commercial sales from such farming shall be incidental to the scientific, medical, research, or experimental objectives of the entity.