IN Code § 23-1-20-29 (2021)
2021 Indiana Code|Title 23. Business and Other Associations|Article 1. Indiana Business Corporation Law|Chapter 20. General Definitions|23-1-20-29. Method of Giving Notice; Effectiveness

Sec. 29. (a) Notice under this article shall be in writing (including electronic transmission) unless oral notice is authorized by a corporation's articles of incorporation or bylaws.(b) Notice, if otherwise in proper form under this article, may be communicated:(1) in person;(2) by telephone, telegraph, teletype, or other form of wire or wireless communication;(3) by mail; or(4) electronically.If these forms of personal notice are impracticable, notice may be communicated by a newspaper of general circulation in the area where published or by radio, television, or other form of public broadcast or electronic communication.(c) Written notice by a domestic or foreign corporation to a shareholder is effective when mailed, if correctly addressed to the shareholder's address shown in the corporation's current record of shareholders.(d) Written notice to a domestic or foreign corporation (authorized to transact business in Indiana) may be addressed to its registered agent at its registered office or to the secretary of the corporation at its principal office shown in the most recent filing of the corporation under this article.(e) Except as provided in subsection (c), written notice is effective at the earliest of the following:(1) When received.(2) Five (5) days after its mailing, as evidenced by the postmark or private carrier receipt, if correctly addressed to the address listed in the most current records of the corporation.(3) On the date shown on the return receipt, if sent by registered or certified United States mail, return receipt requested, and the receipt is signed by or on behalf of the addressee.(f) Oral notice is effective when communicated.(g) If this article prescribes notice requirements for particular circumstances, those requirements govern. If articles of incorporation or bylaws prescribe notice requirements not inconsistent with this section or other provisions of this article, those requirements govern.(h) Written notice, including reports or statements from the corporation, to shareholders who share a common address is effective if:(1) the corporation delivers one (1) copy of a notice, report, or statement to the common address;(2) the corporation addresses the notice, report, or statement to the:(A) shareholders either as a group or to each of the shareholders individually; or(B) shareholders in a form in which each of the shareholders has consented; and(3) each of the shareholders consents to delivery of a single copy of the notice, report, or statement to the common address of the shareholders.Consent given under subdivision (3) is revocable by a shareholder who delivers written notice of revocation to the corporation. If a shareholder delivers written notice of revocation to a corporation, the corporation shall begin providing individual notices, reports, or other statements to the shareholder not later than thirty (30) days after delivery of the written notice of revocation.(i) A shareholder who fails to object to the receipt of the notice, report, or statement at a common address by written notice to the corporation within sixty (60) days after written notice by the corporation of the corporation's intention to send single copies of notices to shareholders who share a common address as permitted by subsection (h) is considered to have consented to receiving a single copy at the common address.As added by P.L.149-1986, SEC.4. Amended by P.L.228-1995, SEC.7; P.L.133-2009, SEC.14.