Changes made by Council Directive of 27 July 1976 on the approximation of the laws of the Member States relating to retro-reflectors for motor vehicles and their trailers (76/757/EEC)
EU Directive 1976/757
No changes made by Council Directive of 27 July 1976 on the approximation of the laws of the Member States relating to retro-reflectors for motor vehicles and their trailers (76/757/EEC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.