Changes made by ECSC High Authority: Decision No 37-54 of 29 July 1954 on the publication of price lists and conditions of sale applied by undertakings in the steel industry to the sale of special steels within the meaning of Annex III to the Treaty
EU Decision 1954/37
No changes made by ECSC High Authority: Decision No 37-54 of 29 July 1954 on the publication of price lists and conditions of sale applied by undertakings in the steel industry to the sale of special steels within the meaning of Annex III to the Treaty are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.