Ind. Code § 23-13-5-9
Whenever this chapter shall have been accepted by a vote of the stockholders, as provided in section 3 of this chapter, and not less than two-thirds (2/3) of all outstanding stock of the corporation shall have been assigned and turned over to the directors or trustees for the corporation, or directly to the corporation, then a certificate containing a copy of the resolutions or other proceedings and votes in said matter had and done at such stockholders' meeting, and also stating that such two-thirds (2/3) of all such stock has been so duly assigned and turned over, signed by the president of the directors or other chief executive officer of such corporation, and attested by the secretary thereof and the corporate seal of such institution attached thereto, shall be filed with the secretary of state for the state of Indiana, and thereupon, the same shall be taken and deemed as an amendment to and part and parcel of the charter of such institution, but such charter shall not be taken or deemed as altered or amended in any other respect than as specified in such resolution or votes.
IC 23-13-5-9