Changes made by 94/797/EC: Commission Decision of 18 November 1994 on a common technical regulation for the pan-European integrated services digital network (ISDN) basic access
EU Decision 1994/797
No changes made by 94/797/EC: Commission Decision of 18 November 1994 on a common technical regulation for the pan-European integrated services digital network (ISDN) basic access are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.