Indiana Code Title 24. Trade Regulation § 24-5-2-24

Sec. 24. No manufacturer shall pay or give or contract to pay or give any thing or service of value to any licensee in this state, and no licensee in this state shall accept or receive or contract or agree to accept or receive, directly or indirectly, any payment, thing or service of value from any manufacturer, if the effect of the payment or giving of any such thing or service of value by the manufacturer, or the acceptance or receipt thereof by the licensee, may be to lessen or eliminate competition or tend to create or create a monopoly in the licensee that accepts or receives the payment, thing or service of value or contracts or agrees to accept or receive the same.