At a checkpoint, officers ask you to take an alcohol test. Is it mandatory to take the test?

At a checkpoint, officers ask you to take an alcohol test. Is it mandatory to take the test?
A)Yes, but only when I have had an accident.
B)Yes, but only when I have committed an infraction.
C)Yes, always.Correct
All drivers of any vehicle, including bicycles, are required to submit to breathalyser control tests when requested to do so by the Authority or its Agents within the framework of preventive breathalyser control programmes ordered by said authority.
All users directly involved as possible parties responsible for a traffic accident or who have committed an infraction must also submit to such tests.