Changes to 72/443/ECSC: Commission Decision of 22 December 1972 on alignment of prices for sales of coal in the common market
EU Decision 1972/443
No changes to 72/443/ECSC: Commission Decision of 22 December 1972 on alignment of prices for sales of coal in the common market are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.