Article 2

This Regulation shall enter into force on the 20th day following its publication in the Official Journal of the European Union.

It shall apply from 11 January 2006.

For those Member States in which the provisions of the Schengen acquis relating to the SIS do not yet apply, this Regulation shall apply within six months after the date on which those provisions are put into effect for them, as specified in the Council Decision adopted to that effect in accordance with the applicable procedures.

The content of this Regulation shall become binding for Norway 270 days after the date of its publication in the Official Journal of the European Union.

Notwithstanding the notification requirements laid down in Article 8(2)(c) of the Schengen Association Agreement with Norway and Iceland^f1, Norway shall, before the date referred to in paragraph 4, notify the Council and the Commission that the constitutional requirements for becoming bound by the contents of this Regulation have been fulfilled.