Commission Decision No 212/83/ECSC of 26 January 1983 fixing the amended rates of abatement for the first quarter of 1983 in accordance with Decision No 1696/82/ECSC on the extension of the system of monitoring and production quotas for certain products of undertakings in the steel industry, as amended for the third time by Decision No 87/83/ECSC of 12 January 1983.