Article 6 Record of source material
United Kingdom
In order to enable the exercise of originator control in accordance with Article 14, originators of CONFIDENTIEL UE/EU CONFIDENTIAL and SECRET UE/EU SECRET documents shall keep a record of any classified sources used for producing classified documents, including details of sources originally from EU Member States, international organisations or third countries. Where appropriate, aggregated classified information shall be marked in such a way as to preserve the identification of the originators of the classified source materials used.