(a) Each person shall maintain records necessary to insure that adulterated or misbranded products are not distributed to consumers, for a period the Secretary prescribes which may not exceed two years unless the Secretary shows good cause, if the person engages in any of the following businesses in or for intrastate commerce:

(1) Slaughter of poultry or processing, freezing, packaging, labeling any poultry carcass, or part or product of it, for use as human or animal food;

(2) Poultry product broker, wholesaler, buyer, seller, or any person who transports or stores in or for intrastate commerce, any poultry carcass, or part or product of it; or

(3) Renderer, buyer, seller, or transporter of any dead, dying, disabled, or diseased poultry, or parts of carcasses of any poultry, that died otherwise than by slaughter.

(b) Upon notification by the Secretary, any person subject to this section shall afford the Secretary access to his place of business at any reasonable time, the opportunity to examine the facilities, inventory, and records, and to copy any record and take any reasonable sample of inventory upon payment of the fair market value.