Any publications on-line will be here as they become available.
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Postal Bulletin PDF
Pub 2 - Packaging for Mailing PDF
Pub 25 - Designing Letter Mail PDF
Pub 28 - Postal Addressing Standards PDF
Pub 49 - Preparing Standard Mail (A) PDF
Pub 63 - Designing Flat Mail PDF
Pub 353 - Designing Reply Mail PDF
Pub 417 - Nonprofit Standard Mail Eligibilty PDF