Abridged collective bargaining agreement's containing rates, trade autonomies, and apprentice ratios used to determine prevailing wages. The Employer shall inform new, transferred, promoted or demoted employees in the bargaining unit that the Union is the exclusive representative.Public employers shall provide an employee organization access to members of the bargaining unit that the employee organization exclusively represents. Collective Bargaining. Complete the application for MA benefits as follows: 1. The collective agreement for PSAC members in the PA bargaining unit is now available. In a collective bargaining agreement may be more favorable. Alphabetical list of all collective agreements in the system.