Which of the following is NOT a reason for a NEV to fail its seatbelt inspection?

In the context of seatbelt inspections for Neighborhood Electric Vehicles (NEVs), securely anchored seatbelts are an essential requirement for passing inspection. A seatbelt that is securely anchored indicates that it is properly installed and can effectively hold passengers in place during a collision, which is a fundamental safety feature of any vehicle.

On the other hand, reasons for failure typically involve issues that compromise the functionality or integrity of the seatbelt, such as frayed webbing, which can indicate wear and reduced strength; a buckle that does not function properly, meaning it may not secure passengers effectively; and an assembly that is missing, which directly relates to the seatbelt's inability to serve its purpose. Since securely anchored seatbelts fulfill a critical safety function and show compliance with safety standards, this aspect will not lead to a failure in inspection, making it the correct choice for the question.