The Head of Paid Service can, in the event of extreme inclement weather; or insufficient business to warrant calling a meeting or other unforeseen circumstance including periods of national mourning/national emergencies to cancel or postpone a meeting of the Council, a committee, sub-committee etc. or, where business dictates that a meeting, not already set out in the timetable, be required to be held, that meeting be called, in consultation with the relevant Chairman.