Who Is Required to Take a DUI First-Offender Class in California? A Driving Under the Influence 1st Offender Class is generally required for people convicted of a first DUI when ordered by a California court. In a First Time Offense DUI California case, program requirements depend on the offense, blood alcohol concentration, and sentence. Read More: https://onlinecourseforcourt.com/california/first-time-offense-dui-california-who-need-it/