If you buy your new car from a dealer then they have to o register the vehicle and pay the VRT tax before giving it to you.
The price of the vehicle should include the cost of the VRT. Your car will be supplied to you with its registration plates already fitted.
Once the vehicle has been registered and the VRT paid, you (or your motor dealer) will receive: A receipt for the VRT paid showing the registration number assigned to your car. * A Form RF 100 for use when you are applying for road tax.

All vehicles must be taxed - see the car tax rates in Ireland

You can drive in Ireland on a full UK driving licence and those from most EU countries too.
There is no legal requirement to get an Irish licence - although some insurance companies will increase rates for UK licence holders.
USA driving permit holders will need to undergo a test in order to drive in Ireland if they are going to live here.

Vehicle Registration Tax is charged on new and imported cars.

You will need Car Insurance - and insurance discs (like tax discs) are ssued by car insurance companies in Ireland and must be displayed in the windscreen. This makes it much easier to spot cars that are illegally on the road.
You should shop around for the cheapest car insurance - you could save hundreds of euro.

In Ireland All cars must undergo a test of roadworthiness once they are 4 years old. They need to be retested only every 2 years. This is the NCT .

If your car is over 10 years old you could qualify for a VRT rebate under the scrappage scheme (ends June 2011)