CFR > Title 9 - Animals and Animal Products > CHAPTER III—FOOD SAFETY AND INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE > SUBCHAPTER E—REGULATORY REQUIREMENTS UNDER THE FEDERAL MEAT INSPECTION ACT AND THE POULTRY PRODUCTS INSPECTION ACT (parts 416 to 500) > PART 424—PREPARATION AND PROCESSING OPERATIONS > SUBPART C—Food Ingredients and Sources of Radiation (§424.21 to §424.23)