Publications
04/25/2025
Publications
04/25/2025
Publications
04/25/2025
Publications
04/25/2025
Publications
02/28/2025
Publications
02/26/2025
Labeling List Changes Effective April 1, 2025

Effective April 1, 2025, the Postal Service™ will revise Labeling List(s) L003, L011, L012, L015, L051, and L801 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the April 1, 2025, effective date through May 31, 2025, expiration date. The changes will be published in the Postal Bulletin, Issue #22672.

Publications
01/28/2025
Labeling List Changes Effective February 1, 2025

Effective February 1, 2025, the Postal Service™ will revise Labeling List(s) L007, L012, L201, L601, L605, 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 February 1, 2025, effective date through March 31, 2025, expiration date. The changes will be published in the Postal Bulletin, Issue #22667.

Publications
12/05/2024
Appendix C: ACS™ Product Code Information and Details

This document provides ACS™ Product Codes, descriptions, classifications, shapes, and fees.