No person having contagious tuberculosis who, in his home or other place, obeys the rules and regulations of the department and county boards of health for the control of contagious tuberculosis or who voluntarily accepts care in a hospital operated for the care of tuberculosis, in his home, or in another place and who obeys the rules and regulations of the department and completes the prescribed course of therapy for the control of contagious tuberculosis shall be committed as prescribed in this chapter.