Indiana Code Title 23. Business and Other Associations § 23-1.5-4-4

Sec. 4. (a) Any corporation organized under Indiana law for any purpose or purposes for which a corporation might be organized under this article, and existing on September 1, 1983, may accept this article, and avail itself of the rights and privileges provided by this article, by complying with this article.  Without limitation, this right to accept this article extends to any corporation formed under this or any other general statute, for any purpose or purposes for which a corporation might be organized under this article, if the corporation existed on or after September 1, 1983, or if its articles of incorporation fix a time of corporate existence that has terminated or thereafter terminates, if this corporation files its articles of acceptance within two (2) years after such termination.  The acceptance of this article may be effected by the officer, directors, and members of the corporation or by persons acting as such.

(b) Upon acceptance and compliance with the requirements of this article, the corporation shall be considered to have existed since termination and its acts, during this time, have the same validity as if performed before termination.

(c) This section does not apply to any corporation whose corporate franchise has been forfeited under any other statute.