It is a mechanism developed as part of the Transformative Agenda (TA) to mobilise adequate means from within the whole of the humanitarian system to respond collectively to a major humanitarian crisis.
It is an exceptional measure designed for exceptional circumstances. The L3 activation supports the activation of specific measures to ensure that the appropriate humanitarian architecture is in place to manage the response. It represents a statement of priority among global crises.
For more information go to: www.humanitarianinfo.org/iasc/downloadDoc.aspx?docID=6459