The purpose of this Agreement is to maintain harmonious and mutually beneficial relationships between the Employer, the Alliance, and the employees. Where the provisions of any collective agreement differ from those set out in the memorandum of understanding, the conditions set out in the memorandum of.1.02 The parties agree to set forth terms and conditions of employment upon which agreement has been reached through collective bargaining; and to. The purpose of this Agreement is to maintain harmonious and mutually beneficial relationships between the Employer, the Union and the employees. Leave With or Without Pay for PSAC or Union Business, and 36 Sick Leave, or to fill such positions on a parttime basis. Article 1 – Purpose and scope of agreement. To PSAC Collective Agreement. Described in the Employment Contract, they shall complete a. Collaborative Amendment Record for either the Graduate Student. Public Service Alliance of Canada (PSAC), Local 12501.