The council of a municipal corporation organized under sections 705.51 to 705.60 of the Revised Code shall meet at the usual place for holding such meetings, at ten a.m. on the first day of January after its election, at which time the newly elected councilmen shall assume the duties of their office. At this meeting the council shall elect one of its members as chairman and one other member as vice-chairman. 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 chairman or of any two members. Any such request shall state the subjects to be considered at such special meeting and no other subject shall be considered.