collective bargaining
(12) “collective bargaining” means the performance of the mutual obligation of the representative of an agency and the exclusive representative of employees in an appropriate unit in the agency to meet at reasonable times and to consult and bargain in a good-faith effort to reach agreement with respect to the conditions of employment affecting such employees and to execute, if requested by either party, a written document incorporating any collective bargaining agreement reached, but the obligation referred to in this paragraph does not compel either party to agree to a proposal or to make a concession;