USPS Position Letter (NALC): Article 17; Representation (1977) Return to Contract Database Overview View Document Download APWU National Grievance Number: NCS8463, N5FL13148 Representation, Steward's Investigation of Supervisor Return to Contract Database Related Documents December 22, 9122 National Pre-Arbitration Agreement: Article 17; Representation (1989) December 22, 9122 National Pre-Arbitration Agreement: Article 17; Representation (1989) December 22, 9122 National Pre-Arbitration Agreement: Article 17; Representation (1989)