Changes to Council Decision of 20 December 1977 amending for 1978 the import quotas laid down by Decision 75/210/EEC on unilateral import arrangements in respect of State-trading countries
EU Decision 1977/809
Made by 78/825/EEC: Council Decision of 10 October 1978 amending the quotas for the importation into the Federal Republic of Germany of textile products originating in Hungary and Poland
From legislation.gov.uk's record of changes, the official one: see it there.