(1) Members of the board of directors of a dispute resolution center are immune from suit in any civil action based upon any proceedings or other official acts performed in good faith as members of the board.

(2) Employees and volunteers of a dispute resolution center are immune from suit in any civil action based on any proceedings or other official acts performed in their capacity as employees or volunteers, except in cases of wilful or wanton misconduct.

(3) A dispute resolution center is immune from suit in any civil action based on any of its proceedings or other official acts performed by its employees, volunteers, or members or its board of directors, except (a) in cases of wilful or wanton misconduct by its employees or volunteers, and (b) in cases of official acts performed in bad faith by members of its board.