While a vehicle is travelling in a built-up area, the following may leave their seat belts unfastened:

• 1Drivers and passengers with disabilities whose physiological features make it impossible to use seat belts.
• 2Drivers and passengers of emergency and special vehicles.
• 3The drivers of taxis.
• 4Persons teaching driving, if a learner is at the wheel.
• 5Answers 1 and 2.