; (4) determine the appropriateness of units for labor organization representation; (5) require public employers to— (A) recognize the labor organization of its public employees or supervisory employees (freely chosen by a majority of such employees voting in the appropriate unit) as the exclusive representative of such employees; (B) bargain in good faith with such labor organization concerning public employees' or supervisory employees’ terms and conditions of employment, which shall include a procedure for the settlement of grievances culminating in binding arbitration in any agreement and a procedure for resolving any impasses in collective bargaining; and (C) commit any agreements to writing in a contract or memorandum of understanding; (6) prohibit practices which interfere with, coerce, or intimidate public employees or supervisory employees in the exercise of rights guaranteed in paragraph (1) or regulations issued thereunder; (7) conduct hearings and resolve complaints concerning violations of any rule or order issued by the Authority pursuant to this Act; (8) resolve exceptions to the awards of arbitrators that violate or exceed the scope of public policy