Complex sentence: The CUM was governed by its Council, which consisted of the mayor of each constituent municipality, S.Q.1969, c.83, s.39 together with an executive committee, which had similar functions to a board of control found in Ontario.
Split into simpler sentences: The CUM was governed by its Council, which consisted of the mayor of each constituent municipality. It also had an executive committee, which had similar functions to a board of control found in Ontario.