European Council Decision of 25 March 2011 amending Article 136 of the Treaty on the Functioning of the European Union with regard to a stability mechanism for Member States whose currency is the euro (2011/199/EU)

Article 2

Member States shall notify the Secretary-General of the Council without delay of the completion of the procedures for the approval of this Decision in accordance with their respective constitutional requirements.

This Decision shall enter into force on 1 January 2013, provided that all the notifications referred to in the first paragraph have been received, or, failing that, on the first day of the month following receipt of the last of the notifications referred to in the first paragraph.