Changes to COMMISSION DECISION of 29 April 2004 modifying Annex A to Decision 2002/731/EC of 30 May 2002 and establishing the main characteristics of Class A system (ERTMS) of the control-command and signalling subsystem of the trans-European conventional rail system referred to in Directive 2001/16/EC of the European Parliament and of the Council (notified under document number C(2004) 1559) (2004/447/EC)
EU Decision 2004/447
The legislation that changes COMMISSION DECISION of 29 April 2004 modifying Annex A to Decision 2002/731/EC of 30 May 2002 and establishing the main characteristics of Class A system (ERTMS) of the control-command and signalling subsystem of the trans-European conventional rail system referred to in Directive 2001/16/EC of the European Parliament and of the Council (notified under document number C(2004) 1559) (2004/447/EC), newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.