Editing Level 3 Inspection (section)

=== General Applicability & Definitions (Part 390) ===
The inspector verifies the administrative identity of the motor carrier and applicability of the FMCSR:
* '''Operating Authority:''' Verifying the carrier has an active safety registration, UCR compliance, and proper operating authority (USDOT/MC/FF/MX number) for interstate commerce (§390.5T, §392.9a).
* '''Markings:''' Ensuring the vehicle displays the proper markings (trade name and USDOT number) and checking rental agreements (§390.21T).
* '''Scope & Exceptions:''' Applying regulations to CMVs while observing specific exceptions such as school bus operations, government entities, emergency vehicles, and Covered Farm Vehicles (CFV) (§390.3T, §390.23, §390.39).