Indiana Code Title 24. Trade Regulation § 24-4-4-1

Sec. 1. It shall be unlawful for any person, firm, limited liability company, or corporation, by himself or itself, or by his or its servants or as the servant or agent of another, to sell or offer for sale or delivery at retail any coal or coke which is sold by weight, unless each such delivery is accompanied by a delivery ticket and a duplicate thereof, upon each of which tickets and duplicates thereof shall be written or otherwise indicated:

One (1) of such delivery tickets or the duplicate thereof shall be delivered and surrendered to the person or persons in charge of the delivery of such load of commodities to the purchaser thereof or to his agent or representative, and the other ticket or duplicate shall be retained by the person, firm, limited liability company, or corporation making such sale for a period of not less than twelve (12) months from date of sale. All coal or coke so sold or delivered shall consist of the kind, quality, and weight in all respects as described and indicated in such delivery ticket and duplicate thereof, and it shall constitute a violation of this chapter to sell or deliver or substitute any other kind and quality or weight of coal or coke than that so described and indicated, and proof of the sale, delivery, or substitution of any coal or coke which is not of the kind, quality, and weight so described and indicated shall constitute prima facie evidence and proof of intent to violate this section.