You must tell DVLA if you suffer from a personality disorder and it affects your driving.
You can be fined up to £1,000 if you don’t tell DVLA about a medical condition that affects your driving. You may be prosecuted if you’re involved in an accident as a result.
Ask your doctor if you’re not sure if your personality disorder affects your driving.
Car or motorcycle licence
Fill in form M1 and send it to DVLA. The address is on the form.
Bus, coach or lorry licence
Fill in form M1V and send it to DVLA. The address is on the form.