Changes made by Council Directive 88/146/EEC of 7 March 1988 prohibiting the use in livestock farming of certain substances having a hormonal action
EU Directive 1988/146
No changes made by Council Directive 88/146/EEC of 7 March 1988 prohibiting the use in livestock farming of certain substances having a hormonal action are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.