Most people have heard of Minnesota’s implied consent law, something that says if you are arrested and an officer has probable cause to suspect that you were operating a vehicle while intoxicated, you have already provided your consent to submit to some kind of chemical test to determine your level of impairment. In Minnesota, police use three methods of chemical testing to determine intoxication: blood, breath or urine. What are the differences between these tests and what choice do you have when asked to submit? Keep reading to find out more.