As of 1989, the CPA acknowledges as Patron – the Head of the Commonwealth, Her Majesty Queen Elizabeth II – and as Vice-Patron, by rotation Heads of State or Heads of Government of the Commonwealth national government hosting its upcoming annual Commonwealth Parliamentary Conference. The Association's supreme authority is the General Assembly, constituted by delegates to the annual Commonwealth Parliamentary Conference. The business and activities of the CPA are managed by an Executive Committee, which reports to the General Assembly. The CPA's funds are derived from membership fees paid by its branches, as well as from two trust funds and benefactors.