1.Once a month, the competent customs authorities at each port of destination shall authenticate a list of manifests drawn up by the shipping companies which were presented to those authorities during the previous month and shall transmit it to the competent customs authorities at each port of departure.
2.That list shall include the following information for each manifest:
(a)the number of the manifest;
(b)the code identifying the manifest as a transit declaration in accordance with Article 50(1)(a) and (b);
(c)the name of the shipping company which transported the goods; and
(d)the date of the maritime transport operation.
3.The authorisation as referred to in Article 26 may also provide that the shipping companies themselves may transmit that list referred to in paragraph 1 to the competent customs authorities of each port of departure.
4.In the event of irregularities found in connection with the information on the manifests appearing on the list, the competent customs authorities of the port of destination shall inform the competent customs authorities of the port of departure and the authority which granted the authorisation, referring in particular to the bills of lading for the goods in question.