Indiana Code Title 36. Local Government § 36-9-27.8-12

Sec. 12. (a) A person authorized under section 11(3) of this chapter that is engaged in subdivision drain repair in performance of a contract under this chapter may enter upon, over, or under land, water, or property within a subdivision to perform the subdivision drain repair work.

(b) Except as provided in subsection (c), before a person authorized under section 11(3) of this chapter may enter property within the subdivision, the record owner of the property shall be notified in writing by registered or certified mail not later than twenty (20) days before the date of entry.  The person shall present written identification or authorization to the occupant of the property before entering the property.

(c) If the owner of the property consents in writing to the entry, notice is not required under subsection (b).