Changes to Commission Directive 97/53/EC of 11 September 1997 adapting to technical progress Council Directive 79/196/EEC on the approximation of the laws of the Member States concerning electrical equipment for use in potentially explosive atmospheres employing certain types of protection
EU Directive 1997/53
No changes to Commission Directive 97/53/EC of 11 September 1997 adapting to technical progress Council Directive 79/196/EEC on the approximation of the laws of the Member States concerning electrical equipment for use in potentially explosive atmospheres employing certain types of protection are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.