We Have a New Contract! A. Membership: Membership in the Union is not compulsory.The Union shall supply the Employer with a complete and accurate list of Union stewards including their full names and worksite(s). "Master Labor Agreement" or "MLA" shall mean the collective bargaining agreement of each craft Union that is signatory to this Agreement. Instrument for concerted action and collective bargaining in the interest of our members and for the community we serve. The UNION shall be notified in writing whenever the CAMPUS or LABORATORY has an open position in the bargaining unit it intends to fill. Collective Bargaining Agreements. 8-1-1938. This policy requires that, in the interest of their fellow workers, the public, and themselves, all. The Company will continue to recognize Teamsters Union Locals 542 and 166 as the sole Collective. Membership in the Union or activities on behalf of the Union.