Wed, 05 Oct 2011
The government believes around £300,000 a year is being lost in revenue from untaxed vehicles.
A survey has revealed that on average 4% of motors on the Island's roads aren't taxed.
The Department of Infrastructure had only carried out enforcement in central Douglas but recently it's launched an Island-wide crackdown.
Over the coming months it plans to get tougher on car tax dodgers.
The maximum penalty is £1,000.
Reminder letters are being sent to people who haven't paid vehicle duty.