Indiana Code Title 28. Financial Institutions § 28-13-5-6

Sec. 6. (a) Action required or permitted by this article to be taken at a shareholders' meeting may be taken without a meeting if the action is taken by all the shareholders entitled to vote on the action.  The action must be evidenced by at least one (1) written consent describing the action taken, signed by all the shareholders entitled to vote on the action, and delivered to the corporation for inclusion in the minutes or filing with the corporation records.

(b) If not otherwise determined under section 11 of this chapter, the record date for determining shareholders entitled to take action without a meeting is the date the first shareholder signs the consent under subsection (a).

(c) Action taken under this section is effective when the last shareholder signs the consent, unless the consent specifies a different prior or subsequent effective date.

(d) A consent signed under this section has the effect of a meeting vote and may be described as such in any document.