Part 121 — Service Standards for Market-Dominant Mail Products
Current through Sep 25, 2026
Authority: 39 U.S.C. 101, 401, 403, 404, 1001, 3691.
Source: 90 FR 10869, Feb. 28, 2025, unless otherwise noted.
Current through Sep 25, 2026
Authority: 39 U.S.C. 101, 401, 403, 404, 1001, 3691.
Source: 90 FR 10869, Feb. 28, 2025, unless otherwise noted.