9 C.F.R. § 94.21
Meat, meat byproducts, and meat food products, as defined by FSIS in 9 CFR 301.2-except that those terms as applied to bison shall have a meaning comparable to those provided in 9 CFR 301.2 with regard to cattle, and other than boneless skeletal meat that meets the conditions of § 94.18(b)(2)—may be imported from regions of undetermined risk for BSE, as defined in § 92.1 of this subchapter, if the following conditions and all other applicable requirements of this part are met:
(d) The commodities were produced and handled in a manner that ensured that such commodities do not contain and are not contaminated with any of the following:
(e) The commodities are accompanied by an original certificate stating that the exporting region is a region of undetermined risk for BSE and that the conditions of this section have been met. The certificate must be issued and signed by a full-time salaried veterinary officer of the national government of the exporting region, or signed by a person authorized to issue such certificates by the veterinary services of the national government of the exporting region.
(Approved by the Office of Management and Budget under control number 0579-0393)
[78 FR 72999, Dec. 4, 2013]