9 C.F.R. § 94.26
Gelatin derived from horses, swine, or non-bovine ruminants.
Gelatin derived from horses, swine, or non-bovine ruminants 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.
[86 FR 68862, Dec. 3, 2021]