Article 8U.K.Once-only principle
1.Without prejudice to Article 11(1), unless otherwise required by Union law, Member States shall ensure that the declarant is requested to provide the information pursuant to this Regulation only once per port call, and that the relevant data elements of the EMSWe data set are made available and reused in accordance with paragraph 3 of this Article.
2.The Commission shall ensure that the ship identification information, particulars and exemptions that are provided through the maritime National Single Window are recorded in the EMSWe ship database referred to in Article 14 and are made available for any subsequent port calls within the Union.
3.Member States shall ensure that the data elements of the EMSWe data set provided at departure from a port in the Union are made available to the declarant for the purpose of fulfilling the reporting obligations at arrival to the next port in the Union, provided that the ship has not called at a port outside of the Union during that voyage. This paragraph shall not apply to information received pursuant to Regulation (EU) No 952/2013, unless the possibility of making such information available for such purpose is provided for in that Regulation.
4.Any relevant data elements of the EMSWe data set received in accordance with this Regulation shall be made available to other maritime National Single Windows via the SafeSeaNet.
5.The Commission shall adopt implementing acts laying down the list of relevant data elements referred to in paragraphs 3 and 4 of this Article. Those implementing acts shall be adopted in accordance with the advisory procedure referred to in Article 24(2).