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Title 39

Displaying title 39, up to date as of 6/16/2026. Title 39 was last amended 6/12/2026.
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Title 39Postal ServicePart / Section
Chapter IUnited States Postal Service1 – 999
Subchapter AThe Board of Governors of the U.S. Postal Service1 – 11
Subchapter BInternational Mail20
Part 20International Postal Service20.1 – 20.5
Subchapter CPost Office Services [Domestic Mail]111 – 122
Subchapter DOrganization and Administration211 – 281
Subchapter ERestrictions on Private Carriage of Letters310 – 320
Part 310Enforcement of the Private Express Statutes310.1 – 310.7
Part 320Suspension of the Private Express Statutes320.1 – 320.9
Subchapter FPersonnel447 – 492
Subchapter GPostage Programs501 – 551
Part 501Authorization to Manufacture and Distribute Postage Evidencing Systems501.1 – 501.20
Part 551Semipostal Stamp Program551.1 – 551.8
Subchapter HProcurement System for the U.S. Postal Service: Intellectual Property Rights Other Than Patents601 – 602
Part 601Purchasing of Property and Services601.100 – 601.113
Part 602Intellectual Property Rights Other Than Patents602.1 – 602.3
Subchapter I [Reserved]
Subchapter JPostal Service Debt Obligations; Disbursement Postal Money Orders760 – 762
Subchapter KEnvironmental Regulations775 – 776
Part 775National Environmental Policy Act Procedures775.1 – 775.14
Part 776Floodplain and Wetland Procedures776.1 – 776.10
Subchapter LSpecial Regulations777 – 778
Part 777Relocation Assistance and Real Property Acquisition Policies777.11 – 777.51
Part 778Intergovernmental Review of Postal Service Facility Actions778.1 – 778.13
Subchapter M [Reserved]
Subchapter NProcedures912 – 999