see 5 below for the classes of exemption - they look for any reason not to get you an exemption
1. What is the legislation covering the import of vehicles ?
2. Can I import a vehicle into Malta ?
3. How much does it cost to register an imported vehicle ?
4. What is the proceedure for registering a vehicle ?
5. Is anyone exempt from paying the registration tax ?
6. What documents are required to register a vehicle ?
7. Where can I get the registration forms ?
8. Do I need to convert my driving licence to a Maltese one ?
9. Where can the Registration Value (RV) of vehicles be obtained from?
10. Car Registration Process—Unofficial Users Manual
11. Is the registration tax for 2nd hand cars going to be replaced later this year with a higher road tax ?
12. How much is road tax ?
13. Odometer testing for used vehicles