Botnian Arcs Board, which consists of 9 members and their alternates, is responsible for the association's affairs.
Daniel Smirat (Luleå) is a chair of the Board.
The chairmanship of the Board rotates every two years between the City of Oulu in Finland and Luleå Municipality in Sweden.
The annual meeting is the highest authority of the Bothnian Arc association, and it has the power to take decisions concerning the activities of the association. The annual meeting, held once a year either, in Sweden or Finland.