Indiana Code Title 32. Property § 32-28-12.5-7

Sec. 7. (a) This section does not apply:

(b) Not later than ten (10) days before the planned closing of a transaction involving the sale of commercial real estate, the owner shall notify the following persons of the date of the closing, the time of the closing, the address of the closing, and of the name of the closing agent, title company, or title insurance agent:

Notice under this subsection shall be sent by registered or certified mail, return receipt requested, or by another means of service authorized by the Indiana trial rules that provides proof that the addressee has received the notice.

(c) To exercise its rights under this chapter to file a lien after receipt of the notice under subsection (b), the broker company must notify the closing agent, title company, or title insurance agent at the address in the notice of the amount of the fees or commissions owed before the time of the closing stated in the notice.

(d) If the broker company does not attend the closing of a transaction involving the sale of commercial real estate, the owner shall certify in writing at the closing, under the penalties of perjury: