1 to hold a learner's permit for at least 12 months. 2  If you're over the age of 25, you'll need to hold your permit for only 6 months. and. 3  to complete at least 75 hours of supervised driving (including 15 at night).4  From 28 July 2014 you'll also need to pass the Hazard Perception Test.here are 10 forms to record your day driving...and 2 forms for night driving. If you have evidence you've held an interstate learner's permit your Qualified Supervising Driver may include that previous driving experience in your log book. If you lose it, grab another from a Service SA customer service centre for $5.