Invocation of the solidarity clause
Article 4
1. In the event of a disaster or terrorist attack, the affected Member State may invoke the solidarity clause if, after having exploited the possibilities offered by existing means and tools at national and Union level, it considers that the crisis clearly overwhelms the response capabilities available to it. 2. The political authorities of the affected Member State shall address their invocation to the Presidency of the Council. The invocation shall also be addressed to the President of the European Commission through the ERCC.