'Current' style are the registrations currently used for new registrations and are made up of the form; 2 letters, 2 numbers and then 3 letters.
AA68 ABC
'Prefix' style are the registrations that were used prior to 2001 and consist of; 1 letter, 1-3 numbers and then 3 letters.
A123 ABC
'Suffix' style are the registrations that were used prior to 1983 and consist of; 3 letters, 1-3 numbers and then 1 letter.
ABC 123A
'Dateless' style fixed price are registrations that can be assigned to any age vehicle and consist of; 3 letters and 3 numbers.
AEZ 121