Changes made by Council Directive 73/405/EEC of 22 November 1973 on the approximation of the laws of the Member States relating to methods of testing the biodegradability of anionic surfactants
EU Directive 1973/405
No changes made by Council Directive 73/405/EEC of 22 November 1973 on the approximation of the laws of the Member States relating to methods of testing the biodegradability of anionic surfactants are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.