Oregon Revised Statutes Food and Other Commodities: Purity, Sanitation, Grades, Standards, Labels, Weights and Measures § 632.745

(1) Each person who sells eggs in bulk shall furnish the purchaser with an invoice covering each such sale, showing the exact grade or quality and the size or weight of the eggs sold, according to the standards prescribed by the federal Act or the State Department of Agriculture, together with the name and address of the person by whom the eggs were sold. The invoices shall be available during business hours for inspection by the department. The invoices shall be kept for at least:

(2) No invoice shall be required on eggs when sold to the United States Government or to an individual consumer.

(3) Any person or retailer selling eggs through its own stores or outlets may keep the records required by subsection (1) of this section, at its principal place of business within this state and is not required to keep the records at the stores or outlets.