Drivers **must undergo a breathalyzer test** if requested by law enforcement officers. This is mandatory in several situations:

- **Traffic accidents**: If a driver is involved in an accident, they must take the test.
- **Signs of consumption**: If a driver shows signs of having consumed alcohol or drugs, they will be asked to take the test.
- **Traffic violations**: If a driver commits a violation, they may also be required to take the test.
- **Preventive checks**: Officers can conduct random checks to prevent alcohol and drug consumption while driving.

Refusing to take these tests can result in **fines and penalties**. The law is clear about the importance of these tests to ensure road safety and prevent accidents caused by alcohol and drug consumption.

Therefore, whenever an officer requests it, the driver is obliged to take the breathalyzer test, regardless of whether they have been involved in an accident or committed a violation.