§ 74

When present, he shall preside at all meetings of the city council and of the school committee and at all joint conventions thereof.\nHe may vote on all questions coming before the city council, but shall have no power of veto.\nHe shall have such other duties, rights and powers as may be provided by ordinance, not in conflict with this chapter.\nDuring the absence or inability of the mayor to act, the commissioner of finance shall, as acting mayor, assume the duties and exercise all the rights and powers of the mayor. In the absence or inability so to act of the commissioner of finance the city council may select another commissioner from their number to perform the duties of acting mayor.