An approved driving instructor (ADI) must always display red L plates (in Wales, red D or L plates or both) on the car when teaching learner drivers. What else must they display if they're charging for the driving lesson? An approved driving instructor (ADI) must always display red L plates (in Wales, red D or L plates or both) on the car when teaching learner drivers. What else must they display if they're charging for the driving lesson?

• Possible answers:

   
• A. Their insurance certificate
• B. Their ADI certificate
• C. Their health-and-safety certificate
• D. Their Disclosure and Barring Service (DBS) check