2025-24212Rule

USPS Corrects Shape-Based Mail Labeling Start Date

Published Date: 1/2/2026

Rule

Summary

The USPS fixed a mistake in a recent rule about shape-based labeling for letters, flats, and parcels. The rule now officially starts on February 1, 2026, not January 2. This update affects mailers who use these labels and gives them extra time to get ready without any new costs.

No Economic Impacts Identified for this Document

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Key Dates

Published Date
Rule Effective
1/2/2026
2/1/2026

Department and Agencies

Department
Independent Agency
Agency
Postal Service
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