Article 4a
1. Any document held by the Council, the Commission or the High Representative of the Union for Foreign Affairs and Security Policy (the ‘High Representative’) for the purpose of ensuring the enforcement of the measures set out in this Decision, or of preventing the violation or circumvention thereof, shall be subject to professional secrecy and shall enjoy the protection afforded by the rules applicable to the Union institutions. That protection shall also apply to the proposals from the High Representative for the amendment of this Decision and to any preparatory documents related to them. 2. It shall be presumed that the disclosure of any documents or proposals referred to in paragraph 1 would harm the security of the Union or that of one or more of its Member States or the conduct of their international relations.