In unit services, which type of movement type should be selected for non-rev?

The correct choice for non-rev in unit services is vehicle movement. This type of movement is specifically designed to track or handle assets that are transferred without a monetary transaction, such as personnel or equipment that needs to be moved for operational purposes without the expectation of a direct payment.

In the context of unit services, non-rev refers to situations where services or movements do not involve a revenue-generating transaction, typically applicable in logistics, transportation, or fleet management. Vehicle movement captures the essence of efficiently managing and operationalizing these transfers while adhering to logistical constraints.

The other options, while relevant in their own contexts, do not align with the non-rev designation. Rental movement typically pertains to transactions involving financial compensation for renting equipment or services. Customer movement usually involves transfers related to client transactions, which again suggests a revenue component. Replacement movement denotes moving items to replace a defective or outdated asset, which implies a transaction that involves costs. Therefore, vehicle movement is the most suitable choice for managing non-revenue-related activities within unit services.