Governance of the IUCr
The work of the Union is directed by the General Assembly, which is composed of delegates appointed by the Adhering Bodies.
The Executive Committee is responsible to the General Assembly and carries out the decisions of the General Assembly and gives effect to the general policy of the Union as determined by the General Assembly. The Executive Committee is also responsible to the General Assembly for all the financial affairs of the Union.
The Executive Committee establishes Sub-committees to help it carry out its work.