Article 1

The Member States shall amend their national provisions to comply with the Agreement between the European Economic Community and the Swiss Confederation within a period of 24 months following the notification of this Directive. They shall immediately inform the Commission thereof.

When Member States adopt these measures, they shall contain a reference to this Directive or shall be accompanied by such reference on the occasion of their official publication. The methods of making such a reference shall be laid down by the Member States.