1. No. A policeman is not entitled to require a vehicle driver to perform an “alcohol test”, except under a court order.
  2. Yes, a policeman may ask a driver to perform a "Breathalyzer test" at any time.
  3. No. A policeman is not entitled to require a vehicle driver to perform any type of tests, except for an alcohol breath test.
  4. Yes, but only if the policeman reasonably suspects that the vehicle driver’s health condition is not well.