Guide to the approved driving instructor (ADI) register...
To legally charge anyone (either money or monies worth) for driving instruction in a car you must either: be on the ADI register; have a trainee’s ‘licence to give instruction’ issued by the ADI Registrar
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The ADI Registrar is responsible for DVSA’s ADI register and can:
refuse to let you join or stay on the register if you don’t meet the registration rules
remove you from the register in certain circumstances
refuse readmission to you if you were previously removed for any of the above reasons
Ahem