N.H. Rev. Stat. Ann. § 427:21

No person, firm, or corporation 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 animals capable of use as human food, or parts of the carcasses of any such animals that died otherwise than by slaughter, unless such transaction or transportation is made in accordance with such rules as the commissioner may adopt under RSA 541-A to assure that such animals, or the unwholesome parts or products thereof, will be prevented from being used for human food purposes.