Changes made by Commission Implementing Decision of 15 September 2011 on the common specifications of the register of railway infrastructure (notified under document C(2011) 6383) (2011/633/EU)
EU Decision 2011/633
No changes made by Commission Implementing Decision of 15 September 2011 on the common specifications of the register of railway infrastructure (notified under document C(2011) 6383) (2011/633/EU) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.