USPS Position Letter: Article 8; Hours of Work (1990) Return to Contract Database Overview View Document Download APWU National Grievance Number: H7N3QC28062 Hours of Work, Guarantee, PTF Guarantee 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)