Not too much I'm afraid, as all I had to do was quote my reg n° and pay and the disc arrived in the post 3 weeks later.

By Euro Number, I assume you're talking about Euro4, Euro5 Euro6 and so on. If so, this might help

https://www.theaa.com/driving-advice/fuels-environment/euro-emissions-standards


If not, PM me the link or the form and I'll see if I can make any sense of it.

Giles. Mogless in Paris.