Labeling List Changes Effective August 1, 2026
Effective August 1, 2026, the Postal Service™ will revise Labeling List(s) L002, L005, L012, L016, L051, L201, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the August 1, 2026, effective date through September 30, 2026, expiration date. The changes will be published in the Postal Bulletin, Issue #22707.
June 29, 2026
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