Part 121—Service Standards for Market-Dominant Mail Products

1. CFR
2. ›
3. Title 39
4. ›
5. Chapter I
6. ›
7. Part 121

Contents

• 121.0
  § 121.0 Market-dominant product service standards.
• 121.1
  § 121.1 First-Class Mail.
• 121.2
  § 121.2 Periodicals.
• 121.3
  § 121.3 USPS Marketing Mail.
• 121.4
  § 121.4 Package Services.
• Appendix A to Part 121
  Appendix A to Part 121—Tables Depicting Service Standard Day Ranges