Have you ever heard of the saying, “driving is a privilege, it is not a right?” That is the basis of implied consent. When you sign the application to receive your driver’s license, part of what you are agreeing to is to submit to a chemical test if requested by a police officer during a traffic stop. A chemical test is used to determine your blood alcohol level and you can be tested by breath, urine or blood. The test can be done by breath on the roadside during the stop or at the police station or medical facility.
You do have the right to refuse the test. However, you will need to be prepared to face strict penalties for the refusal regardless if you are found guilty of DUI. One thing to also keep in mind: you can challenge your test if the arresting officer did not have a reasonable suspicion to administer the test.