Changes made by 1719/1999/EC: Decision of the European Parliament and of the Council of 12 July 1999 on a series of guidelines, including the identification of projects of common interest, for trans-European networks for the electronic interchange of data between administrations (IDA)
EU Decision 1999/1719
No changes made by 1719/1999/EC: Decision of the European Parliament and of the Council of 12 July 1999 on a series of guidelines, including the identification of projects of common interest, for trans-European networks for the electronic interchange of data between administrations (IDA) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.