TITLE 9--ANIMALS AND ANIMAL PRODUCTS CHAPTER III--FOOD SAFETY AND INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE PART 310_POST-MORTEM INSPECTION--Table of Contents Sec. 310.4 Identification of carcasses and parts; tagging. Such devices and methods as may be approved by the Administrator may be used for the temporary identification of retained carcasses, organs, and other parts. In all cases, the identification shall be further established by affixing [[Page 122]] ``U.S. Retained'' tags as soon as practicable and before final inspection. These tags shall not be removed except by a Program employee.