The boundaries for St. James are the following:
North – Perimeter Highway
South – Assiniboine River
East – St. James St./Century
West – Perimeter Highway and west along Perimeter to include the RM of Headingley and St. Francis Xavier.
So in the West, the RM’s of Headingley and St. Francis can play in St. James, but not Cartier, the RM of Cartier belongs to the South Central region.