(a) The period of duration of the corporation shall be 35 years, subject, however, to the right of its shareholders and the members to dissolve the corporation prior to the expiration of said period as provided in subsection (b) of this Code section.

(b) The corporation may, upon the votes of the shareholders and the members of the corporation, voting separately by classes, dissolve said corporation; and such dissolution shall require approval by the affirmative vote of two-thirds of the votes to which the shareholders shall be entitled. Upon any dissolution of the corporation, none of the corporation's assets shall be distributed to the shareholders until all sums due the members of the corporation as creditors thereof have been paid in full.