21 U.S.C.
United States Code, 2011 Edition
Title 21 - FOOD AND DRUGS
CHAPTER 12 - MEAT INSPECTION
SUBCHAPTER II - MEAT PROCESSORS AND RELATED INDUSTRIES
Sec. 644 - Regulation of transactions, transportation, or importation of 4-D animals to prevent use as human food
From the U.S. Government Printing Office, www.gpo.gov

§644. Regulation of transactions, transportation, or importation of 4–D animals to prevent use as human food

No person, firm, or corporation engaged in the business of buying, selling, or transporting in commerce, or importing, 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 commerce, or import, any dead, dying, disabled, or diseased cattle, sheep, swine, goats, horses, mules or other equines, or parts of the carcasses of any such animals that died otherwise than by slaughter, unless such transaction, transportation or importation 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.

(Mar. 4, 1907, ch. 2907, title II, §204, as added Pub. L. 90–201, §14, Dec. 15, 1967, 81 Stat. 594.)