ICA Rules - Section IV.  Governing Bodies and Congress

Article 12. Authorities.

The Authorities of the ICA are: General Assembly, Regional 
Assemblies, Board, Auditing and Control Committee, President.

Article 13. World Co-operative Congress

A World Co-operative Congress may be convened by the ICA, with
an open participation, both for members and the general
co-operative public. The time, venue, agenda and procedures for
the Congress shall be decided by the General Assembly.