§16–309.

    (a)    The Commission and the exclusive representative shall execute a collective bargaining agreement incorporating all matters agreed.

    (b)    A collective bargaining agreement may include a provision for:

        (1)    dues and maintenance or service fees paid by payroll deduction; and

        (2)    the arbitration of grievances arising under the collective bargaining agreement.

    (c)    The collective bargaining agreement supersedes any conflicting rule, regulation, or administrative policy of the Commission.