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PC Processing and Distribution Center
PE Postal Employee Development Center
PH Purchasing Service Center
PO All Post Offices
PS Postal Service-Wide
PU Public
PV Post Offices with Vehicles
SC Information Service Center
SD Postal Source Data System (PSDS) Office
STF Stamp Fulfillment Services
TC National Test Administration Center
VM Vehicle Maintenance Facilities
XO Surface Exchange Offices
Unit of Issue
The unit of issue column tells the format of the document (set, sheet, book,
etc.) and whether you order it one copy at a time (EA or SH) or in a pad or set.
BK Book (number of units in book is shown)
BX Box (number of units in box is shown)
CTN Carton (number of units in carton is shown)
EA Each (published as a single card, label, mailer, postal card, tab card,
or tag)
HD Hundred (number of items in package)
PD Pad (number of sheets in pad is shown)
PG Package
RL Roll
SE Set (number of sheets in set is shown)
SH Sheet (either a single “cut sheet” or one-part continuous)
Organization
The organization (org.) column lists the originating organization of the form or
directive. If you have a question about the document, consult this
Headquarters organization. See the contact table, HQO Supply Source
Codes, beginning on page 12.
BCR Business Customer Relations
BMEP Business Mail Entry and Payment Technologies
CA Consumer Advocate
CC Corporate Communications
CHN Channel Access
CMO Chief Marketing/Sales Officer
COO Chief Operating Officer
CR Customer Relations
DEL Delivery and Post Office Operations
DOM Domestic Products
DPG Deputy Postmaster General
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