All shareholders of a corporation formed under § 47-11A-1 shall be persons duly licensed by the Board of Chiropractic Examiners of the State of South Dakota to practice chiropractic in the State of South Dakota, and who at all times own their shares in their own right. They shall be individuals who, except for illness, accident, time spent in the armed services, on vacations, and on leaves of absence not to exceed one year, are actively engaged in the practice of chiropractic in the offices of the corporation.
SDCL 47-11A-5