CASS – Coding Accuracy Support System
POSTNET – Postal Numeric Encoding Technique
DBCS – Delivery Bar Code Sorter
PSDS – Postal Source Data System
COA – Change of Address
PAL – Parcel Airlift
DNDC – Destination Network Distribution Center
RNDC – Return Network Distribution Center
DAL – Detached Address Label
PSN – Postal Stock Number
SSM – Sack Sorting Machine
PSM – Parcel Sorting Machine
AFCS – Advanced Facer Canceller System
DMU – Detached Mail Unit
ECR – Enhanced Carrier Route
MLOCR – Multiline Optical Character Reader
CFS – Computerized Forwarding System
PDC – Postal Data Center
ACOGM – Automation Compatible Outgoing Mail
FCM – First Class Mail
DPC – Delivery Point Code
IMM – International Mail Manual
FPO – Fleet Post Office
CFS – Computerized Forwarding System
DMU – Detached Mail Unit
GCW – Gross Combined Weight
MRM – Meter Reply Mail
NPF – National Postal Forum
PMG – Postmaster General
HPO – Highway Post Office
MMS – Manifest Mailing System
GEPS – Global Expedited Package Services
BPRS – Bulk Parcel Return Service
eVS – Electronic Verification System
RDU – Return Deliver Unit
MPS – Military Postal Service
MRS – Merchandise Return Service
PRC – Postal Regulatory Commission
ICS – identification Code Sorting
THS – Terminal Handling Service
HSUS – High Speed Universal Sorter
GPMC – General Purpose Mail Container
EMR – Electronic Merchandise Return
CMPS – Computerized Meter Resetting System
TPO – Transfer Post Office
PVDS – Plant Verified Drop Shipment
ZIP – Zonal Improvement Plan
UPU – Universal Postal Union
DSMS – Drop Shipment Management System
PMG – Postmaster General
PM – Postmaster
