Changes made by 77/587/EEC: Council Decision of 13 September 1977 setting up a consultation procedure on relations between Member States and third countries in shipping matters and on action relating to such matters in international organizations
EU Decision 1977/587
No changes made by 77/587/EEC: Council Decision of 13 September 1977 setting up a consultation procedure on relations between Member States and third countries in shipping matters and on action relating to such matters in international organizations are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.