Six main committees and a number of sub-committees develop and advise on policies and activities of the institute. All main committees report to Council, in most cases via the boards. They are attended by the relevant vice-president or presidential adviser.
The committees advise on the formulation of policy and strategy relevant for their areas, recommending priorities for the business plan and budget (both income and expenditure). They also review the implementation of Council policies and the progress of work against agreed objectives. They appoint task groups and specialist advisers for relevant projects and subjects.
The main committees are: