Changes to Council Directive 82/606/EEC of 28 July 1982 relating to the organization by the Member States of surveys on the earnings of permanent and seasonal workers employed in agriculture
EU Directive 1982/606
Made by Council Directive 88/562/EEC of 8 November 1988 amending Directive 82/606/EEC relating to the organization by Member States of surveys on the earnings of permanent and seasonal workers employed in agriculture
From legislation.gov.uk's record of changes, the official one: see it there.