1. Should a Member State be the object of a terrorist attack or the victim of a natural or man-made disaster, the other Member States shall assist it at the request of its political authorities. To that end, the Member States shall coordinate between themselves in the Council.

2. The arrangements for the implementation by the Union of the solidarity clause referred to in Article I-43 shall be defined by a European decision adopted by the Council acting on a joint proposal by the Commission and the Union Minister for Foreign Affairs. The Council shall act in accordance with Article III-300(1) where this decision has defence implications. The European Parliament shall be informed.

For the purposes of this paragraph and without prejudice to Article III-344, the Council shall be assisted by the Political and Security Committee with the support of the structures developed in the context of the common security and defence policy and by the Committee referred to in Article III-261; the two committees shall, if necessary, submit joint opinions.

3.  European Council shall regularly assess the threats facing the Union in order to enable the Union and its Member States to take effective action.