++++ 1. Member States ° Obligations ° Implementation of directives ° Failure to fulfil obligations ° Justification ° Not permissible (EC Treaty, Art. 169) 2. Acts of the institutions ° Directives ° Right of persons affected to rely on directives in the absence of adequate implementing measures ° Effect not releasing Member States from their obligation to implement directives (EC Treaty, Art. 189, third para.)