7 C.F.R. § 361.7
(a) In addition to meeting the declaration and labeling requirements of § 361.2 and all other applicable provisions of this part, all Canadian-origin agricultural seed and Canadian-origin vegetable seed imported into the United States from Canada for seeding (planting) purposes or cleaning must be accompanied by a certificate of analysis issued by the Canadian Food Inspection Agency or by a private seed laboratory accredited by the Canadian Food Inspection Agency. Samples of seed shall be drawn using sampling methods comparable to those detailed in § 361.5 of this part. The seed analyst who examines the seed at the laboratory must be accredited to analyze the kind of seed covered by the certificate.
(c) Screenings otherwise prohibited under this part may be imported from Canada if the screenings are imported for processing or manufacture and are consigned to a facility operating under a compliance agreement as provided by § 361.8(b).
(Approved by the Office of Management and Budget under control number 0579-0124)