Postal Service: federal rules
The Postal Service published 15 final rules in 2026 so far and 29 in 2025, counted by the Tribune from the Federal Register.
Built by the Tribune's code from the Federal Register. No AI wrote this page. Updated Nov. 4, 2026.
Final rules 44
- Nov. 4, 2026Domestic Mail Manual; Incorporation by Reference
Final rule · Postal Service · 39 CFR part 111
- Nov. 4, 2026International Mail Manual; Incorporation by Reference
Final rule · Postal Service · 39 CFR part 20
- Oct. 19, 2026Customs Requirements and Payment Procedures for Certain Customs Charges
Final rule · Postal Service · 39 CFR part 20
- Oct. 19, 2026New Mailing Standards for Live Animals
Final rule · Postal Service · 39 CFR part 111
- Sept. 25, 2026National Environmental Policy Act Implementing Procedures
Final rule · Postal Service · 39 CFR part 775 · Opens the Federal Register
- Sept. 1, 2026Free Matter for the Blind and Other Physically Handicapped Persons
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Aug. 26, 2026Ballot Mail for Federal Elections
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- July 30, 2026Duty Collection for Domestic Mail Arriving From Certain Insular Possessions and Territories
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- June 17, 2026Priority Mail Express and Priority Mail Open and Distribute Parcel Mailings Discontinued
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- June 16, 2026International Mailing Services: Price Changes
Final rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
- June 2, 2026New Mailing Standards for Domestic Mailing Services Products
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- May 15, 2026Domestic Competitive Products Pricing and Mailing Standards Changes
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- May 1, 2026Overweight and Oversize Items Fee Application
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- March 31, 2026Parcel Dimension Compliance
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Jan. 8, 2026International Competitive Services Product and Price Changes
Final rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
- Dec. 31, 2025Claims Filing Date for Insured Mail
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Dec. 30, 2025Shape-Based Labeling Lists
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Nov. 25, 2025Discontinuation of International Surface Air Lift
Final rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
- Nov. 25, 2025International Registered Mail
Final rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
- Nov. 24, 2025Postmarks and Postal Possession
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Nov. 20, 2025Domestic Competitive Products Pricing and Mailing Standards Changes
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Nov. 19, 2025Purchasing of Property and Services
Final rule · Postal Service · 39 CFR part 601 · Opens the Federal Register
- Nov. 10, 2025Manifest Mailing System Retired
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Sept. 29, 2025Administrative Wage Garnishment
Final rule · Postal Service · 39 CFR part 956 · Opens the Federal Register
- July 17, 2025Administrative False Claims Act
Final rule · Postal Service · 39 CFR part 962 · Opens the Federal Register
- July 3, 2025Rules of Practice Before the Postal Service Board of Contract Appeals; Corrections
Final rule · Postal Service · 39 CFR part 955 · Opens the Federal Register
- June 20, 2025International Mailing Services: Price Changes
Final rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
- June 18, 2025Rules of Practice Before the Postal Service Board of Contract Appeals
Final rule · Postal Service · 39 CFR part 955 · Opens the Federal Register
- June 17, 2025Equal Access to Justice Act in Postal Service Proceedings
Final rule · Postal Service · 39 CFR part 960 · Opens the Federal Register
- June 10, 2025New Mailing Standards for Domestic Mailing Services Products
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- May 23, 2025Domestic Mail Manual; Incorporation by Reference
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- May 23, 2025International Mail Manual; Incorporation by Reference
Final rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
- May 20, 2025Domestic Competitive Products Pricing and Mailing Standards Changes
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- May 16, 2025Optional 5-Digit/3-Digit/ADC Sortation
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- April 23, 2025Purchasing of Property and Services
Final rule · Postal Service · 39 CFR part 601 · Opens the Federal Register
- April 1, 2025Priority Mail Express Service Standard
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- March 12, 2025Securing Bundles of Flats
Final rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Feb. 28, 2025Service Standards for Market-Dominant Mail Products
Final rule · Postal Service · 39 CFR part 121 · Opens the Federal Register
- Feb. 19, 2025Cremated Remains Packaging Requirements
Final rule · Postal Service · 39 CFR parts 111, 211 · Opens the Federal Register
- Feb. 10, 2025Debt Collection Act Petitions Against Current Employees
Final rule · Postal Service · 39 CFR part 961 · Opens the Federal Register
- Jan. 30, 2025International Competitive Services and Price Changes
Final rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
- Jan. 27, 2025New Mailing Standards for Hazardous Materials Outer Packaging and Nonregulated Toxic Materials
Final rule · Postal Service · 39 CFR parts 111, 211 · Opens the Federal Register
- Jan. 17, 2025Inspection Service Authority; Civil Monetary Penalty Inflation Adjustment
Final rule · Postal Service · 39 CFR parts 233, 273 · Opens the Federal Register
- Jan. 3, 2025International Return Receipt
Final rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
Proposed rules 16
- Sept. 9, 2026Labels 888, 889, 891, and 892, Discontinued
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Aug. 6, 2026New Mailing Standards for Live Animals
Proposed rule · Postal Service · 39 CFR parts 111, 211 · Opens the Federal Register
- June 2, 2026Ballot Mail for Federal Elections
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- April 16, 2026International Mailing Services: Proposed Price Changes
Proposed rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
- April 14, 2026New Mailing Standards for Domestic Mailing Services Products
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- April 2, 2026Revised Mailing Standards for Firearms
Proposed rule · Postal Service · 39 CFR parts 111, 211 · Opens the Federal Register
- March 25, 2026Overweight and Oversize Items Fee Application
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- March 19, 2026Priority Mail Express and Priority Mail Open and Distribute Parcel Mailings Discontinued
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Jan. 8, 2026Parcel Dimension Compliance
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Nov. 26, 2025Claims Filing Date for Insured Mail
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Nov. 20, 2025Shape-Based Labeling Lists
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Sept. 12, 2025Manifest Mailing System Retired
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- Aug. 12, 2025Postmarks and Postal Possession
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- May 1, 2025New Mailing Standards for Domestic Mailing Services Products
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register
- April 18, 2025International Mailing Services: Proposed Price Changes
Proposed rule · Postal Service · 39 CFR part 20 · Opens the Federal Register
- Feb. 5, 2025Optional 5-Digit/3-Digit/ADC Sortation
Proposed rule · Postal Service · 39 CFR part 111 · Opens the Federal Register