N.D. Cent. Code § 4.1-31-12
The commissioner may not provide inspection under this chapter at an establishment for the slaughter of animals or the preparation of carcasses or parts or products of animals which are not intended for use as human food. Before these articles are offered for sale or transportation in intrastate commerce, the articles must be denatured or otherwise identified, as prescribed by rules of the commissioner, to deter the articles use for human food, unless the articles are naturally inedible by humans. A person may not buy, sell, transport, offer for sale or transportation, or receive for transportation, in intrastate commerce, any carcasses or meat food products of animals which are not intended for use as human food, unless the articles are denatured or otherwise identified.
N.D.C.C. § 4.1-31-12