Changes made by Commission Decision of 25 January 2012 on the technical specification for interoperability relating to the control-command and signalling subsystems (notified under document C(2012) 172) (2012/88/EU)
EU Decision 2012/88
The legislation Commission Decision of 25 January 2012 on the technical specification for interoperability relating to the control-command and signalling subsystems (notified under document C(2012) 172) (2012/88/EU) changes, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.