Illinois Statutes Chapter 410. Public Health § 615/12. Invoices

§ 12. Each producer-dealer, packer, handler or distributor who sells candled and graded eggs to any retailer, institutional consumer, bakery, or concern which purchases eggs for serving to guests or patrons thereof or for its use in preparation of any food products for human consumption, shall furnish the purchaser with an invoice or other accounting document covering each sale, showing the exact grade and size of the eggs purchased.

The handler selling and the purchaser shall each be able to produce a copy of said invoice or other accounting document at his place of business for a period of 30 days, during which time the copy shall be available for inspection during reasonable business hours by a representative of the Department.