Changes made by Commission Directive 97/15/EC of 25 March 1997 adopting Eurocontrol standards and amending Council Directive 93/65/EEC on the definition and use of compatible technical specifications for the procurement of air-traffic-management equipment and systems
EU Directive 1997/15
No changes made by Commission Directive 97/15/EC of 25 March 1997 adopting Eurocontrol standards and amending Council Directive 93/65/EEC on the definition and use of compatible technical specifications for the procurement of air-traffic-management equipment and systems are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.