9 CFR § 351.10
Facilities
November 6, 2020
(a) Facilities for the preparation, identification, and storage of the technical animal fat to be certified shall be furnished and maintained by the certified plant in accordance with this section.
(b) The operator of the certified plant shall provide at the plant, rooms, compartments, and equipment needed to maintain the identity of certified technical animal fats and materials used in their preparation, and separation of such articles from other products. Such rooms, compartments, and equipment shall be conspicuously marked with the phrase “Certified Technical Animal Fat” whenever they contain these fats.