A vehicle's seatbelts will fail inspection if:

A vehicle's seatbelts will fail inspection if there is an assembly missing. This means that if any part of the seatbelt system, such as the webbing, buckle, or anchoring components, is absent, the safety system is incomplete and cannot perform its essential function of protecting occupants in the event of a collision. Seatbelts are a critical safety feature, and having a complete and operational assembly is necessary for them to work as intended.

Intact webbing, a functioning buckle, and secure anchoring are all positive indicators of a seatbelt system that is likely to pass inspection; however, the absence of any necessary components results in a failure, as the system cannot adequately restrain occupants during an accident, thereby compromising their safety.