USPS Position Letter: Article 19; Handbooks and Manuals (1982) Clerk Return to Contract Database Overview View Document Download APWU National Grievance Number: H1C4JC5875 Handbooks and Manuals, Handbook M-16, Handbook PO-407, EDIT, Sample Size 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)