What happens if a driver refuses a BAC test when requested?

When a driver refuses a blood alcohol concentration (BAC) test when requested, the primary consequence is the revocation of their driving privileges. This consequence is based on implied consent laws, which stipulate that by driving on public roadways, individuals agree to submit to chemical testing if law enforcement suspects them of driving under the influence of alcohol or drugs. Refusing the test indicates a refusal to comply with these laws, leading to administrative penalties such as the immediate revocation of the driver’s license.

This revocation serves to deter impaired driving and emphasizes the seriousness of operating a vehicle while under the influence. In many jurisdictions, the penalties for refusal can be as severe, or even more severe, than the penalties for failing the BAC test itself. Thus, the answer highlights the automatic consequence that follows a refusal, reinforcing the importance of complying with lawful requests from law enforcement.