In response to the military invasion of Ukraine by the Russian Federation, the 23 Member States of CERN today decided to:
- suspend the participation of CERN scientists in all scientific committees of institutions located in the Russian Federation and the Republic of Belarus, and vice versa.
- suspend or, failing that, cancel all events jointly arranged between CERN and institutions located in the Russian Federation and the Republic of Belarus.
- suspend the granting of association contracts as associated members of CERN personnel to any new individuals affiliated to home institutions in Russia and Belarus.