DUI Laws, DUI Penalties, and DUI Defense 1st Time DUI Offender Copyright 2010 All rights reserved http://www.duilawsintennessee.com The state has determined that a blood alcohol content of .08 or higher constitutes being legally drunk. The minimum jail time is 48 hours and the maximum jail time is 11 months and 29 days. If your blood alcohol content is .20 or higher, a minimum of 7 days jail time is required. In either case, your license will be revoked for 1 year which poses and entire new set of problems for you. How will I get to work? What happens if I get caught driving with a revoked license?  You will be ordered by the court to go to DUI school.  If you caused any individual physical harm or loss, you will be ordered to pay restitution to that person. There is a $350 minimum fine and a $1,500 maximum fine. The judge has the authority to order you to install, at your expense, an ignition interlock device. The judge may also require you to obtain drug and alcohol treatment. In many cases, counting towing, bail, court costs, DUI school, license reinstatement fees, attorney fees, SR-22 car insurance, and an ignition interlock device, your costs will add up to around $5,000.00