Postal Service Directive: Article 11; Holidays (undated) Return to Contract Database Overview View Document Download Christmas Holiday Scheduling – Final Draft. APWU National Grievance Number: None Holidays, Holiday Scheduling 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)