23.—(1) An official veterinarian at a border inspection post must authorise the re-importation of a consignment of products that originated in the European Union and was refused by a third country, if the consignment is accompanied—
(a)by the original certificate or a copy authenticated by the competent authority which issued the certificate accompanying the consignment, together with details of the reasons for refusal and a guarantee that the conditions governing the storage and transport of the consignment have been observed, stating that the products in the consignment have not undergone any handling; or
(b)in the case of sealed containers, by a certificate from the carrier stating that the content has not been handled or unloaded.
(2) The official veterinarian must carry out a documentary and identity check and if necessary a physical check.
(3) The importer must either—
(a)transport the consignment directly to the establishment of origin in the member State where the certificate was issued, in leak-proof means of transport, identified and sealed by the official veterinarian at the border inspection post so that the seals will be broken whenever the container is opened; or
(b)destroy the consignment as animal by-products.