No tallow, stearin, oleo oil, or the rendered fat derived from the carcasses of livestock, that has not been inspected and passed, and so marked in compliance with the regulations in this subchapter shall be exported, unless the product has been denatured as required by Sec. 314.5 or Sec. 325.13 of this subchapter or identified and marked as prescribed by Sec. 325.11 of this subchapter. [35 FR 15604, Oct. 3, 1970, as amended at 47 FR 17274, Apr. 22, 1982]