16-year-old plus requires just a CBT (compulsory basic training) every two years. The Theory Test Pass Certificate is valid for 2 years. must be ridden with L plates and no passengers. You can take the new AM license allowing you to ride without L plates. Top speed 28mph restrictions apply. If you have a full car licence issued before 1st February 2001. This allows you to ride without L plates and can carry a passenger without taking your CBT.