Ind. Code § 33-23-11-13

Sec. 13. A justice, judge, or prosecuting attorney may not accept compensation for the sale or lease of any property or service that exceeds the amount that the justice, judge, or prosecuting attorney would charge in the ordinary course of business from any person or entity whom the justice, judge, or prosecuting attorney knows, or has reason to know, has an economic interest in the outcome of a current or future cause in which the justice, judge, or prosecuting attorney is or may be a participant.