Changes made by Commission Decision of 29 July 1977 establishing the list of maritime shipping lanes for the application of Council Directive 76/135/EEC (77/527/EEC)
EU Decision 1977/527
No changes made by Commission Decision of 29 July 1977 establishing the list of maritime shipping lanes for the application of Council Directive 76/135/EEC (77/527/EEC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.