postal service Abbreviations and Acronyms

1. ZAP
   Zone Analysis Program
2. ZIP CODE
   Zone Improvement Plan Code
3. ACR
   Annual Compliance Report
4. ACT
   Air Contract Transportation Tag
5. ACT
   automation-compatible tray
6. APO
   Army Post Office
7. APS
   Adjustment Processing System
8. ATU
   Automatic Tray Unsleever
9. CAPS
   Centralized Account Processing System
10. CARS
    Contract Access Retail System
11. CAS
    Case Analysis System
12. CAS
    Competitive Ancillary Service
13. CAT
    Critical Acceptance Time
14. CCM
    Corporate Complement Management
15. CET
    Critical Entry Time
16. CIS
    Corporate Information System
17. CoR
    contracting officer representative
18. CoR
    Carrier Optimal Routing
19. CSR
    Change Service Requested
20. CSR
    Customer Support Ruling

Last updated: May 24, 2020 — Total entries: 727