2-point question ( of )

Under what circumstances can a competent body authorised to conduct roadside inspections withhold a driver's driving licence?

Where there is evidence of exceeding the speed limit in a built-up area by more than 50 km/h.
Where there is evidence of exceeding the speed limit twice in a built-up area by more than 30 km/h.
Where there is evidence of exceeding the speed limit in a built-up area by more than 30 km/h.