When must a current tax disc be displayed on a new vehicle on a public road?

1. A.Not later than 1 month after registration.
2. B.Not later than 10 days after registration.
3. C.At all times when the vehicle is on a public road.
4. D.Only when driving on motorways.

This is an official-style question from the Legal Matters & Rules of the Road topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.