9 C.F.R. § 114.4 Identification of biological products.
Title 9 - Animals and Animal Products
Suitable tags or labels of a distinct design shall be used for identifying all ingredients used in the preparation of biological products, all component parts to be combined to form a biological product, all biological products while in the course of preparation and all completed biological products held in storage at licensed establishments: Provided, That, if such ingredients, components, or biological products are not so identified, they shall be disposed of as provided in §114.15.
Title 9: Animals and Animal Products
PART 114—PRODUCTION REQUIREMENTS FOR BIOLOGICAL PRODUCTS
§ 114.4 Identification of biological products.