35 ILCS 143/10-15
Purchases of tobacco products other than little cigars by wholesalers who will not sell the product at retail are exempt from the tax imposed by this Act. Purchases of tobacco products other than little cigars by wholesalers and retailers for delivery of the product outside Illinois are exempt from the tax imposed by this Act. The wholesaler or retailer making the exempt sale of tobacco products other than little cigars shall document this exemption by obtaining a certification from the purchaser containing the seller's name and address, the purchaser's name and address, the date of purchase, the purchaser's signature, the purchaser's tobacco products tax license number, if applicable, and a statement that the purchaser is purchasing for resale other than for sale to consumers or is purchasing for delivery outside of Illinois.
35 ILCS 143/10-15