Changes made by Council Decision (CFSP) 2018/298 of 26 February 2018 on Union support for the activities of the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) in order to strengthen its monitoring and verification capabilities and in the framework of the implementation of the EU Strategy against Proliferation of Weapons of Mass Destruction
EU Decision 2018/298
No changes made by Council Decision (CFSP) 2018/298 of 26 February 2018 on Union support for the activities of the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) in order to strengthen its monitoring and verification capabilities and in the framework of the implementation of the EU Strategy against Proliferation of Weapons of Mass Destruction are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.