Indiana Code Title 29. Probate § 29-3-13-1

Sec. 1. (a) Any person indebted to an incapacitated person or minor, or having possession of property belonging to a minor or incapacitated person, may pay the debt or deliver the property to a foreign guardian appointed by a court of the state in which the incapacitated person or minor resides upon being presented with proof of the foreign guardian's appointment and an affidavit made by the foreign guardian stating the following:

(b) If the person to whom the affidavit is presented does not know of any other guardianship proceeding pending in Indiana, payment or delivery in response to the demand and affidavit discharges the debtor or possessor from any further liability.