Changes made by 73/402/EEC: Council Decision of 22 November 1973 amending the Decision of 21 March 1962 instituting a procedure for prior examination and consultation in respect of certain laws, regulations and administrative provisions concerning transport proposed in Member States
EU Decision 1973/402
No changes made by 73/402/EEC: Council Decision of 22 November 1973 amending the Decision of 21 March 1962 instituting a procedure for prior examination and consultation in respect of certain laws, regulations and administrative provisions concerning transport proposed in Member States are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.