# 2026-04157: Postal Commission Extends Deadline for Mail Rate Petitions

2026-04157, System for Regulating Rates and Classes for Market Dominant Products, is a Federal Register notice from Postal Regulatory Commission published 2026-03-03, effective 2026-03-06; deemed significant under Executive Order 12866 (as of 2026-06-08).

- Canonical: https://policyrisk.com/federal-register/2026-04157
- As of: 2026-06-08
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-04157
- Title: System for Regulating Rates and Classes for Market Dominant Products
- Type: Notice
- Agencies: Postal Regulatory Commission
- Citation: 91 FR 10422
- Published: 2026-03-03
- Effective: 2026-03-06
- Comments close: not stated
- Significant: yes (FR_METADATA)
- Touches household money: no
- Regulation identifier numbers: 3211-AA37
- Last updated: 2026-06-08

## In one line

Postal Commission Extends Deadline for Mail Rate Petitions

## Summary

The Postal Regulatory Commission is giving everyone a little more time to respond to important petitions about how mail rates and classes are set. If you’re involved in mailing or just curious, mark your calendar for the new deadline: March 6, 2026. This extension helps make sure all voices are heard before any changes to mail prices happen.

## Abstract

The Commission is extending the deadline to respond to petitions in Docket Nos. RM2021-2, RM2022-5, RM2022-6, and RM2024-4.

## Effects PRIA read

No economic effects identified for this document.

## Related documents

- [2025-10758](https://policyrisk.com/federal-register/2025-10758): System for Regulating Rates and Classes for Market Dominant Products, 2025-06-13
- [2025-03042](https://policyrisk.com/federal-register/2025-03042): Market Dominant Postal Products, 2025-02-26
- [2026-20739](https://policyrisk.com/federal-register/2026-20739): New Postal Products, 2026-10-09
- [2026-20437](https://policyrisk.com/federal-register/2026-20437): New Postal Products, 2026-10-06
- [2026-20293](https://policyrisk.com/federal-register/2026-20293): New Postal Products, 2026-10-05
- [2026-19893](https://policyrisk.com/federal-register/2026-19893): New Postal Products, 2026-09-29

## Sources
- [2026-04157 on federalregister.gov](https://www.federalregister.gov/documents/2026/03/03/2026-04157/system-for-regulating-rates-and-classes-for-market-dominant-products)
- [2026-04157 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-03-03/pdf/2026-04157.pdf)

## Related
- [Previous: 2026-04156, Certain Cameras, Camera Systems, and Accessories Used Therewith; Notice of the…](https://policyrisk.com/federal-register/2026-04156)
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- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-04157 (as of 2026-06-08).