Which of the following listed documents must you have with you, if you want to drive a cross-border passenger bus within the EU?

When driving a cross-border passenger bus within the EU, you are required to carry the EU passenger waybill. This document records the details of the passengers and the journey and is necessary for cross-border transport operations. It helps authorities verify that the transport operation complies with EU regulations. The personal log-book and other documents may be important in other contexts, but they are not specifically required for cross-border passenger bus transport within the EU. Therefore, always ensure you have the EU passenger waybill with you for such trips.