The Council shall meet at the usual place for holding such meetings, at 7:30 p.m. on December 1st after its election, at which time the newly elected Councilmen shall assume the duties of their office. Thereafter, the Council shall meet in regular session at least twice each month, at such times and places as are fixed by ordinance. The Clerk shall call special sessions of the Council upon written request of the Vice Mayor or any three members. Any such requests shall state the subjects to be considered at such special meeting and no other subject shall be considered. Notice of special Meetings shall be served upon all members of Council at least twenty-four hours prior to the meeting time.