Regulations last checked for updates: Feb 07, 2026

Title 39 - Postal Service last revised: Jan 16, 2026
§ 3055.4 - Internal measurement systems.

Service performance measurements obtained from internal measurement systems or hybrid measurement systems (which are defined as systems that rely on both an internal and an external measurement component) shall not be used to comply with any reporting requirement under subparts A or B of this part without prior Commission approval.

authority: 39 U.S.C. 503; 3652; 3653; 3692(b) and (c); 3705
source: 75 FR 38742, July 6, 2010, unless otherwise noted.
cite as: 39 CFR 3055.4