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Final ruleTook effect July 12, 2026

New Mailing Standards for Domestic Mailing Services Products

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register June 2, 2026. Document 2026-11003. Updated Nov. 10, 2026.

What it does

On April 9, 2026, the Postal Service (USPS) filed a notice of mailing services price adjustments with the Postal Regulatory Commission (PRC), effective July 12, 2026. This final rule contains the revisions to Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM[supreg]) to implement the changes coincident with the price adjustments and other DMM changes.

The Postal Service's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 39 of the Code of Federal Regulations:

39 CFR 111

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Postal Service has published 15 final rules in 2026 so far, compared with 29 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

Effective July 12, 2026.

The agency's dates, word for word.

Document number2026-11003
ActionFinal rule.
AgenciesPostal Service
PublishedJune 2, 2026
Effective dateJuly 12, 2026

Source: the Federal Register (public domain). The document in the Federal Register