Rule 90 : Your Duty to Be Fit to Drive
Mandatory DVLA Notification
You MUST report any health condition likely to affect your driving directly to the Driver and Vehicle Licensing Agency ( DVLA ) .
Ensure Fitness Before Driving
Rule 90 mandates that every driver must personally verify they are fit to operate a vehicle before starting a journey .
The Legal Standard: This requirement is enforced under the Road Traffic Act 1988 , specifically Section 94 .