I. The following records shall be made available for review by an authorized designee of the commissioner: the numbers and kinds of livestock slaughtered; quantities and types of products prepared; names and addresses of the owners of the livestock; bills of sale, invoices, bills of lading, receiving and shipping papers which all include the following: description of livestock or article, net weight of livestock or article, name and address of buyer and seller of livestock or article, name and address of consigner or recipient if other than the buyer, method of shipment, date of shipment, name and address of carrier; shipper's certificates required by other statutes and rules; and record of seal numbers of inedible products.II. The following classes of persons, firms, and corporations shall permit access to the records upon presentation of official credentials during ordinary business hours. (a) Any persons, firms, or corporations that engage, for commerce in the business of slaughtering and livestock or preparing, freezing, packaging, or labeling any carcasses, or parts or products of carcasses, of any such animals;(b) Any persons, firms, or corporations, that engage in the business of buying or selling as meat brokers, wholesalers, or otherwise, or transporting, in commerce or storing in or for such commerce, any carcasses, or parts or products of carcasses, of any such animals;(c) Any persons, firms, or corporations that engage in business, in or for commerce as renderers, or engage in the business of buying, selling, or transporting, in such commerce, any dead, dying, disabled, or diseased livestock, or parts of the carcasses of any such animals that died otherwise than by slaughter.III. All persons, firms, and corporations subject to such requirements shall at all reasonable times, upon notice by a duly authorized representative of the commissioner, afford such representative and any duly authorized representative of the Secretary of Agriculture of the United States accompanied by such representative of the commissioner access to their places of business and opportunity to examine the facilities, inventory, and records thereof, to copy all such records, and to take reasonable samples of their inventory upon payment of the fair market value for such samples. Records shall be kept at the place of business unless there are multiple facilities owned by a single entity, then records may be kept at headquarters.IV. Records shall be retained for 2 years after December 31 of the year in which the transaction took place and further periods as commissioner may require for investigation or litigation under this subdivision.Amended by 2011, 130:5, eff. 8/5/2011.1985, 72:1, eff. July 1, 1985. 2011, 130:5, eff. Aug. 5, 2011.