19 CFR § 12.6 - Affidavits required to accompany entry.
(a) Cheeses produced in the member states of the European Communities shall not be permitted entry into the Customs territory of the United States (excluding Puerto Rico) if exported from any country or area other than the country of origin, or into Puerto Rico, unless accompanied by:
(1) An affidavit, or its electronic equivalent, in the event of shipments into the Customs territory of the United States (excluding Puerto Rico), of the producer or exporter that the cheese has not received and will not receive restitution payments of the type referred to in Executive Order No. 11851, dated April 10, 1975 (40 FR 16645); or
(2) An affidavit, or its electronic equivalent, in the event of shipments into Puerto Rico, of the importer that the cheese will be consumed in Puerto Rico or areas outside the Customs territory of the United States. Proof of actual consumption shall be furnished to the appropriate Customs officer within three years after the date such cheese is entered or withdrawn from warehouse, for consumption.
(b) These affidavits shall not be required to accompany importations of cheese produced in the member states of the European Communities if such cheese is shipped directly to the United States (excluding Puerto Rico) from the country of origin on a through bill of lading.