Gelatin derived from horses or swine, or from ovines or caprines that have not been in any region listed in § 94.24(a) must be accompanied at the time of importation into the United States by an official certificate issued by a veterinarian employed by the national government of the region of origin. The official certificate must state the species of animal from which the gelatin is derived and, if the gelatin is derived from ovines or caprines, certify that the gelatin is not derived from ovines or caprines that have been in any region listed in § 94.24(a).