Changes made by Council Directive of 29 June 1990 concerning a Community procedure to improve the transparency of gas and electricity prices charged to industrial end-users (90/377/EEC)
EU Directive 1990/377
No changes made by Council Directive of 29 June 1990 concerning a Community procedure to improve the transparency of gas and electricity prices charged to industrial end-users (90/377/EEC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.