http://www.legislation.gov.uk/eur/2012/389/article/29Council Regulation (EU) No 389/2012 of 2 May 2012 on administrative cooperation in the field of excise duties and repealing Regulation (EC) No 2073/2004Council Regulation (EU) No 389/2012Council Regulation (EU) No 389/2012 of 2 May 2012 on administrative cooperation in the field of excise duties and repealing Regulation (EC) No 2073/20042020-12-13King's Printer of Acts of Parliamenthttps://webarchive.nationalarchives.gov.uk/eu-exit/https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02012R0389-20130701texttext/xmlen2013-07-01CHAPTER VCOMMON CONDITIONS GOVERNING ASSISTANCE
Article 29Access to information under Commission authorisation

Persons duly authorised by the Commission may be provided with access to the information referred to in Article 28(4) only to the extent necessary for the care, maintenance and development of the CCN/CSI network and the operation of the central register.

Such persons shall be subject to the obligation of official secrecy. The information accessed shall be protected as personal data under Regulation (EC) No 45/2001.