Section 310.23 - Identification of carcasses and parts of swine(a) The identification of the carcasses and parts of swine identified in accordance with part 71 of this title shall be made available to the inspector upon the inspector's request throughout post-mortem inspection.(b) If the establishment fails to provide required swine identification, the inspector shall order the retention of swine caracasses at the establishment until the completion of tests to confirm that the carcasses are not adulterated.53 FR 40387, Oct. 14, 1988