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How to Find What You Need
Directives and Forms Catalog
Alphabetical Listing of Documents (Chapter 6)
Chapter 6 lists all documents alphabetically by title that are listed in
Chapters 2–5.
Subject Matter Index (Chapter 7)
Chapter 7 is the subject matter index of all documents listed in Chapters 2–5.
Postal Service Identification Number (PSIN)
If you know the Postal Service Identification Number (PSIN) of the document
you need (for example, HBK AS-805 or PS Form 3971), look it up in Chapters
2, 3, or 4.
Title
If you know only the title of the document, look it up in Chapter 6,
Alphabetical Listing of Documents.
Subject Index
If you are investigating a topic but do not know the specific document you
need, look up a key word in Chapter 7, Subject Matter Index.
Example: A Postal Service employee who is relocating and is not sure about
relocation procedures would look up “relocation” in the index and find the
keyword “guidelines,” which is cross-referenced to HBK F-12, Relocation
Policy. The employee would also find the keyword “real estate expenses,”
under Claims which is cross-referenced to PS Form 4877, Reimbursement
of Real Estate Expenses — Change of Official Station.
What the Column Headings Mean
Postal Service Identification Number (PSIN)
The Postal Service Identification Number (PSIN) is the document’s identifier.
Each PSIN includes a prefix that indicates what type of directive it is, as
noted in the following table:
Prefix Directive Type
HBK Handbook
HC Headquarters Circular
KIT Kit
LAB Label
MAN Manual
MI Management Instruction
MOP Memorandum of Policy
2 Publication 223, May 2013