1. When the Commission (Eurostat), national authorities, national central banks and the European Central Bank receive confidential data pursuant to Articles 10, 11 and 12 they shall treat that information confidentially in accordance with Regulation (EC) No 322/97.
2. For the purposes of this Regulation, and notwithstanding Article 14 of Regulation (EC) No 322/97, any transmission of confidential data between national authorities and the Commission (Eurostat) may take place to the extent that such transmission is necessary for the production of specific Community statistics. Any further transmission must be explicitly authorised by the national authority that collected the data.