Chapter 9-0 Suspension - Chemical Test Refusal Suspension Periods for Refusing a Chemical Test continued: Age of Driver - 21+: Number of Prior OUIs None One Two Three or more Suspension Period 180 Days Three years Five Years Lifetime Age of Driver - Under 21: Number of Prior OUIs None One Two Three or more Suspension Period Three years Three years Five years Lifetime Agent of Drivers - All Ages: Prior OUIs Prior OUI Serious Bodily Injury Prior Vehicular Homicide Suspension Period Ten years Lifetime 06/16 9:26