The collective agreement for PSAC members in the PA bargaining unit is now available. The purpose of this Agreement is to maintain harmonious and mutually beneficial relationships between the Employer, the Alliance, and the employees.A process for negotiating wages, hours, and other terms and conditions of employment. The purpose of this Collective Agreement is to maintain harmonious and mutually beneficial relationships between the. The general purpose of this agreement is to establish an orderly collective bargaining relationship between The. This collective agreement is between Wilfrid Laurier University and the Public Service Alliance of Canada (PSAC) Local 902 (Graduate Teaching Assistants)