Which of the following is NOT a major infraction?

The choice indicating "Failure to maintain minimum hours of operation" is considered correct because this issue pertains to procedural compliance rather than a direct violation of vehicle or safety regulations. Major infractions typically refer to violations that have a significant impact on vehicle safety and public welfare, such as expired insurance, which directly affects a driver's ability to operate a vehicle legally and can pose a risk to others.

In contrast, failing to maintain minimum operational hours is more related to administrative adherence rather than affecting vehicle safety directly. It doesn't fundamentally compromise the integrity of the inspection process or the safety of vehicles on the road.

Understanding this classification is important as it helps to differentiate between critical safety violations that require immediate attention and regulatory or procedural aspects that may be addressed through administrative measures rather than emergency intervention.