Ind. Code § 27-1-8-2
Every amendment to the articles of incorporation shall first be proposed by the board of directors, by the adoption of a resolution setting forth the proposed amendment and directing that it be submitted to a vote of the shareholders, members, or policyholders entitled to vote in respect thereof at a designated meeting of such shareholders, members, or policyholders which may be an annual meeting of the shareholders, members, or policyholders or a special meeting of the shareholders, members, or policyholders entitled to vote in respect thereof. If the resolution shall direct that the proposed amendment is to be submitted at an annual meeting, notice of the submission of the proposed amendment shall be included in the notice of such annual meeting. If the said resolution shall direct that the proposed amendment is to be submitted to a special meeting of the shareholders, members, or policyholders entitled to vote thereon, such special meeting shall be called by the resolution proposing the amendment, and notice of such meeting shall be given at the time in the manner provided in IC 27-1-7-7.
IC 27-1-8-2