Indiana Code Title 5. State and Local Administration § 5-9-4-10

Sec. 10. (a) A leave of absence under this chapter begins on the date the officeholder enters active duty and ends on the earliest of:

(b) An officeholder returning from a leave of absence under this chapter shall give written notice that the officeholder's leave of absence has ended to the person or entity to which the officeholder provided notice under section 7 of this chapter.

(c) The person or entity that receives the written notice under subsection (b) shall, not later than seventy-two (72) hours after receipt of the officeholder's notice, give written notice that the officeholder's leave of absence has ended to:

(d) On the date an officeholder's leave of absence ends, as determined under subsection (a), the officeholder shall resume the duties of the officeholder's office for the remainder of the term for which the officeholder was elected.