respective constitutional requirements

All member states must approve the decision "in accordance with their respective constitutional requirements", if it is to come into force.

It shall in that case recommend to the member States the adoption of such a decision in accordance with their respective constitutional requirements.

The convention will then have to be ratified by the contracting parties and signatories in accordance with their respective constitutional requirements.

The amendments shall enter into force after being ratified by all Member States in accordance with their respective constitutional requirements.'

The Treaty shall be ratified by the High Contracting Parties in accordance with their respective constitutional requirements.

The TFEU amendment came into force on 1 May 2013, after the Czech Republic because the last member states to ratify the agreement according to their respective constitutional requirements.

At the political level, all the partners have pursued to completion their respective constitutional requirements for ratification or acceptance of the agreement, which is now accepted to enter officially into force within October this year.

Article 48 of the Treaty on European Union stipulates that amendments to that treaty will enter into force after ratification by all Member States in accordance with their respective constitutional requirements.

Subject to the adoption of such a decision by the Member States 'in accordance with the respective constitutional requirements' , the new Treaty therefore describes common defence as a possibility left open for the future under the conditions set out in the article.

The Treaty on European Union specifies that any decision by the Union to move to a common defence would have to be taken by unanimous decision of the Member States and adopted in accordance with their respective constitutional requirements.

The power to amend the Treaties of the European Union, sometimes referred to as the Union's primary law, or even as its de facto constitution, is reserved to the member states and must be ratified by them in accordance with their respective constitutional requirements.

In Ireland one of the arguments used by supporters of a 'no' vote is to suggest that Lisbon is a self-amending Treaty, yet Article 48(4) states quite clearly that any amendments to the Treaty will enter into force only after being ratified by all Member States in accordance with their respective constitutional requirements.