Professional secrecy and handling of classified information
Article 9
The members of the group and their representatives, as well as invited experts and observers, are subject to the obligation of professional secrecy, which by virtue of the Treaties and the rules implementing them applies to all members of the institutions and their staff, as well as to the Commission's rules on security regarding the protection of Union classified information, laid down in Commission Decisions (EU, Euratom) 2015/443 ( 6 ) and (EU, Euratom) 2015/444 ( 7 ) . Should they fail to respect these obligations, the Commission may take all appropriate measures.