Changes made by 75/356/ECSC: Commission Decision of 24 April 1975 authorizing the application of special tariff measures to the carriage by rail of iron ore from Lorraine and Western France to Belgium, Luxembourg and the Saar (Only the German and French texts are authentic)
EU Decision 1975/356
No changes made by 75/356/ECSC: Commission Decision of 24 April 1975 authorizing the application of special tariff measures to the carriage by rail of iron ore from Lorraine and Western France to Belgium, Luxembourg and the Saar (Only the German and French texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.