New York Second Class Cities Law Section 33 - Meetings.

 33. Meetings.  The  common  council  shall  hold regular meetings at
  times to be determined by it from time to time.  The  president  of  the
  common council, or a majority of its members, may call a special meeting
  of  the  common  council by causing a written notice thereof, specifying
  the objects of the meeting, to be served by the  city  clerk  upon  each
  member  personally  or  by  mail,  directed to his place of residence or
  place of business, at least twenty-four hours before the time fixed  for
  such meeting.

Last modified: February 3, 2019