Changes made by 96/391/EC: Council Decision of 28 March 1996 laying down a series of measures aimed at creating a more favourable context for the development of trans-European networks in the energy sector
EU Decision 1996/391
No changes made by 96/391/EC: Council Decision of 28 March 1996 laying down a series of measures aimed at creating a more favourable context for the development of trans-European networks in the energy sector are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.