Changes made by Commission Decision of 6 March 2007 modifying Annex A to Decision 2006/679/EC concerning the technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European conventional rail system and Annex A to Decision 2006/860/EC concerning the technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European high speed rail system (notified under document number C(2007) 675) (2007/153/EC)
EU Decision 2007/153
The legislation Commission Decision of 6 March 2007 modifying Annex A to Decision 2006/679/EC concerning the technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European conventional rail system and Annex A to Decision 2006/860/EC concerning the technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European high speed rail system (notified under document number C(2007) 675) (2007/153/EC) changes, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.