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Regulations last checked for updates: Nov 21, 2024
Title 39 - Postal Service last revised: Sep 19, 2024
All Titles
Title 39
Chapter I
Part 121 - PART 121—SERVICE STANDARDS FOR MARKET-DOMINANT MAIL PRODUCTS
§ 121.1 - First-Class Mail.
§ 121.2 - Periodicals.
§ 121.3 - USPS Marketing Mail.
§ 121.4 - Package Services.
Appendix Appendix A - Appendix A to Part 121—Tables Depicting Service Standard Day Ranges
authority:
39 U.S.C. 101
,
401
,
403
,
404
,
1001
,
3691
source:
72 FR 72228, Dec. 19, 2007, unless otherwise noted.
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