As per the BFO Constitution and By-Laws under the section County or District Branches:
8(1) Members of the Association shall be formed into groups by area known as county or district branches to which members shall belong according to their place of residence except where a member's affiliation is changed by the Board of Directors under s. 3 (4)
8(2) The areas for county or district branches shall conform to the boundaries of counties and territorial districts in Ontario but two or more adjacent counties or districts may be joined to form one branch
8(5) No new branch may be formed nor may any existing branch be extended, consolidated or dissolved without the approval of the Board of Directors of the Association