Iowa Code Title V. Agriculture [Chs. 159-215A] § 189A.8. Prohibited acts

1. No person shall sell, transport, offer for sale or transportation, or receive for transportation in intrastate commerce, any carcasses of horses, mules, or other equines or parts of such carcasses, or the meat or meat food products thereof, unless they are plainly and conspicuously marked or labeled or otherwise identified as required by regulations prescribed by the secretary to show the kinds of animals from which they were derived.

2. No person shall buy, sell, transport, or offer for sale or transportation, or receive for transportation, in intrastate commerce, any livestock products or poultry products which are not intended for use as human food unless they are denatured or otherwise identified as required by the regulations of the secretary or are naturally inedible by humans.

3. No person engaged in the business of buying, selling, or transporting in intrastate commerce, dead, dying, disabled, or diseased animals, or any parts of the carcasses of any animals that died otherwise than by slaughter, shall buy, sell, transport, offer for sale or transportation, or receive for transportation in such commerce, any dead, dying, disabled, or diseased livestock or poultry or the products of any such animals that died otherwise than by slaughter, unless such transaction or transportation is made in accordance with such regulations as the secretary may prescribe to assure that such animals, or the unwholesome parts or products thereof, will be prevented from being used for human food purposes.