Indiana Code Title 28. Financial Institutions § 28-13-12-3

Sec. 3. (a) An officer may resign at any time by delivering notice:

(b) A resignation is effective when the notice is delivered unless the notice specifies a later effective date. If a resignation is made effective at a later date and the corporation accepts the future effective date, the corporation's board of directors may fill the pending vacancy before the effective date if the board of directors provides that the successor does not take office until the effective date.

(c) A board of directors may remove any officer at any time with or without cause.

(d) An officer who appoints another officer or assistant officer may remove the appointed officer or assistant officer at any time with or without cause.

(e) If a corporation replaces the chief executive officer of the corporation, the corporation shall give the department written notice of the replacement not later than thirty (30) days after the chief executive officer is replaced.