1. Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive by no later than 15 September 2007. They shall forthwith inform the Commission thereof. When Member States adopt those 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 reference shall be laid down by Member States.

2. Member States shall communicate to the Commission the text of the main provisions of national law which they adopt in the field covered by this Directive.

3. Until 15 March 2009, each Member State may postpone application of this Directive to the retention of communications data relating to Internet Access, Internet telephony and Internet e-mail. Any Member State that intends to make use of this paragraph shall, upon adoption of this Directive, notify the Council and the Commission to that effect by way of a declaration. The declaration shall be published in the Official Journal of the European Union.