§ 23-1-3-4-4

(a) Subject to subsection (b), a benefit corporation may amend its articles of incorporation to add, amend, or delete the identification of a specific public benefit described in section 2 of this chapter.(b) An amendment to the articles of incorporation under subsection (a) is not effective unless the amendment is adopted by a vote of the shareholders of each class or series of shares entitled to cast at least two-thirds (2/3) of the votes that all shareholders of the class or series are entitled to cast on the amendment.As added by P.L.93-2015, SEC.3.