Hi all, One idiot with a registration number for sale, who knew you could not put a newer year plate on your car? well everybody but me! Anyway, I have the following registration number on retention certificate, and the new plates made by Rebecca Britton, CO10 PEN Hoping to reclaim some of the cost so £300, which is for the retention certificate with assignment fee already paid, front and rear plates posted to you. All you need to do is advise DVLA and fix them on to your baby.