Title 39
PART 121
Part 121 - Service Standards For Market-dominant Mail Products
- Authority: 39 U.S.C., 101, 401, 403, 404, 1001, 3691.
- Source: 72 FR 72228, Dec. 19, 2007, unless otherwise noted.
39:1.0.1.3.14.0.1.1 | SECTION 121.1 | 121.1 First-Class Mail. | |
39:1.0.1.3.14.0.1.2 | SECTION 121.2 | 121.2 Periodicals. | |
39:1.0.1.3.14.0.1.3 | SECTION 121.3 | 121.3 Standard Mail. | |
39:1.0.1.3.14.0.1.4 | SECTION 121.4 | 121.4 Package Services. | |
39:1.0.1.3.14.0.1.5.1 | APPENDIX Appendix A | Appendix A to Part 121 - Tables Depicting Service Standard Day Ranges |