N.C. Gen. Stat. § 106-405.6: Cooking or other treatment.

All garbage, regardless of previous processing, shall, before being fed to swine, be thoroughly heated to at least 212 degrees F. for at least 30 minutes unless treated in some other manner which shall be approved in writing by the North Carolina Commissioner of Agriculture as being equally effective for the protection of animal and human health. (1953, c. 720, s. 6.)