Changes made by Commission Decision of 19 June 1974 amending Commission Decision No 74/133/EEC of 14 February 1974 on the application by the United Kingdom of Great Britain and Northern Ireland of protective measures in respect of certain iron and steel products in Chapter 73 of the Common Customs Tariff, under Article 135 of the Act concerning the conditions of accession and the adjustments to the Treaties
EU Decision 1974/342
The legislation Commission Decision of 19 June 1974 amending Commission Decision No 74/133/EEC of 14 February 1974 on the application by the United Kingdom of Great Britain and Northern Ireland of protective measures in respect of certain iron and steel products in Chapter 73 of the Common Customs Tariff, under Article 135 of the Act concerning the conditions of accession and the adjustments to the Treaties changes, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.