Not quite!

Q: 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?
Correct answer:
Their ADI certificate
Explanation
If an ADI is charging for a driving lesson, they must display their ADI certificate and appropriate L or D plates on the tuition car.
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