No you don't get a dating letter from us on here. we are just an owners club/site. you need to go to a .GOV site.
Try here https://www.gov.uk/importing-vehicles-into-the-uk/registering-an-imported-vehicle
And you will need a NOVA certificate to get the ball rolling, all explained on the site above. Good luck.
NOVA site here https://www.gov.uk/nova-log-in