Composed of Heads of State and Government or their duly  accredited representatives. The Assembly of Heads of State and Government is  the supreme organ of the Union.

Functions of the Assembly:
(a) Determine the common policies  of the Union, establish its priorities and adopt its annual programme;
(b) Monitor the implementation of  policies and decisions of the Union as well ensure compliance by all Member  States through appropriate mechanisms;
(c) Accelerate the political and  socio-economic integration of the continent;
(d) Give directives to the  Executive Council, the PSC of the Commission on the management of conflicts,  war, acts of terrorism, emergency situations and the restoration of peace;
(e)Decide on intervention in a  Member State in respect of grave circumstances namely, war crimes, genocide and  crimes against humanity;
(f) Decide on intervention in a  Member State at the request of that Member State in order to restore peace and  security;
(g) Determine the sanctions to be  imposed on any Member State for non payment of assesses contributions,  violation of the principles enshrines in the Constitutive Act and the rules,  non-compliance with the decision of the Union and unconditional changes of  government;
(h) Appoint the Chairman of the  Commission and his or her deputy or deputies and Commissioners of the  Commission and determine their functions and terms of office;
(i) Receive, consider and take  decisions on reports and recommendations from the other organs of the Union;
(j) Consider requests for  Membership of the Union and establish any organ of the Union;
(k) Appoint and terminate the  appointment of the judges of the Court of Justice and adopt the budget of  the Union;