Changes made by Council Directive of 28 June 1977 on the approximation of the laws of the Member States relating to parking lamps for motor vehicles (77/540/EEC)
EU Directive 1977/540
No changes made by Council Directive of 28 June 1977 on the approximation of the laws of the Member States relating to parking lamps for motor vehicles (77/540/EEC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.