Under Articles 193 to 195 of the Burundi Highway Code, what follows if a driver refuses the medical examinations or tests required in a suspected chronic-alcoholism case?

1. The competent police services may withdraw the licence, that decision is final and cannot be appealed, and the driver bears the costs
2. The officer must apologise and allow the driver to continue immediately
3. The driver only receives a small parking warning ticket
4. The driver is required to write an apology letter to the Ministry