180 per cent If you deregister your vehicle within the first 10 years, you are entitled to a Preferential Additional Registration Fee (PARF) rebate, based off a percentage of your ARF value. Age of vehicle at deregistration PARF rebate (COE May 2002 onwards) Not exceeding expectations 5 years 75 per cent of ARF paid Above 5 years but not exceeding 6 years 70 per cent of ARF paid Above 6 years but not exceeding 7 years 65 per cent of ARF paid Above 7 years but not exceeding 8 years 60 per cent of ARF paid Above 8 years but not exceeding 9 years 55 per cent of ARF paid Above 9 years but not exceeding 10 years 50 per cent of ARF paid