46. The council of a municipality whose territory is not divided for election purposes shall assign a number to the seat of each councillor.
The council of a municipality whose territory is divided into wards shall assign a number to the seat of each councillor in each ward for which there is more than one councillor.
Until the council numbers the seats, each seat shall be numbered according to the alphabetical order of the names of the councillors in office on 31 December 1987 and of the last persons who held the seats that are vacant on that date.