Changes made by Commission Decision of 4 May 2010 on the Security Plan for Central SIS II and the Communication Infrastructure (2010/261/EU)
EU Decision 2010/261
No changes made by Commission Decision of 4 May 2010 on the Security Plan for Central SIS II and the Communication Infrastructure (2010/261/EU) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.