Changes made by 97/548/EC: Commission Decision of 11 July 1997 defining the specifications of projects of common interest identified in the sector of the trans-European energy networks by Decision No 1254/96/EC of the European Parliament and of the Council, as amended by Decision No 1047/97/EC of the European Parliament and of the Council
EU Decision 1997/548
The legislation 97/548/EC: Commission Decision of 11 July 1997 defining the specifications of projects of common interest identified in the sector of the trans-European energy networks by Decision No 1254/96/EC of the European Parliament and of the Council, as amended by Decision No 1047/97/EC of the European Parliament and of the Council changes, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.