8.1 Unions Representing Service Staff at the Institute 8.2 Collective Bargaining8.2.1 The Institute's Role in Contract Agreements 8.2.2 Interpretation of Contract Language 8.2.3 Policy Against Discrimination Because of Union Activity 8.3 Relations with Union Representatives8.3.1 The Role of the Union Steward 8.3.2 Time Off for Union Business 8.3.3 Conduct Expected of Union Officials 8.3.4 Conduct Expected of Supervisors 8.3.5 Official Union Membership Meetings 8.3.6 Bulletin Boards 8.4 Official Union Membership Elections