What is the responsibility of the controller of the vehicle as regards to the work and rest hours of the vehicle’s driver?

1. A The controller of the vehicle must not permit the vehicle’s driver to exceed statutory work hours.
2. B The controller of the vehicle is not responsible for the work and rest hours of the vehicle’s driver. The driver is solely responsible for it.
3. C The controller of the vehicle may, under the approval of the safety officer, instruct the driver to exceed statutory driving hours.
4. D The controller of the vehicle is responsible, yet the safety officer of a vehicle fleet may adjust the work and rest hours to meet the requirements, regardless of the law.