Site Feedback

Title 39

Displaying title 39, up to date as of 6/12/2026. Title 39 was last amended 6/12/2026.
There have been changes in the last two weeks to Subchapter F.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Title 39Postal ServicePart / Section
Chapter IIIPostal Regulatory Commission3000 – 3099
Subchapter FPeriodic Reporting, Accounting Practices, and Tax Rules3050 – 3099
Part 3050Periodic Reporting3050.1 – 3050.60
Part 3055Service Performance and Customer Satisfaction Reporting3055.1 – 3055.103
Subpart A Annual Reporting of Service Performance Achievements3055.1 – 3055.25
Subpart BPeriodic Reporting of Service Performance Achievements3055.30 – 3055.70
Subpart CReporting of Customer Satisfaction3055.90 – 3055.92
Subpart DPublic Performance Dashboard3055.100 – 3055.103
Part 3060Accounting Practices and Tax Rules for the Theoretical Competitive Products Enterprise3060.1 – 3060.43
Part 3065Rules for Letters Carried out of the Mail3065.1 – 3065.3
§ 3065.1Applicability and scope.
§ 3065.2Prohibition on new regulations.
§ 3065.3Procedure for seeking clarification or interpretation.
Parts 3066-3099 [Reserved]