So ok, i understand what and why i need one but what is the actual document? Is it a receipt from when it was bought or what?

So ok, i understand what and why i need one but what is the actual document? Is it a receipt from when it was bought or what?

If you want one for a 4rt Caroline will supply them.

So ok, i understand what and why i need one but what is the actual document? Is it a receipt from when it was bought or what?

It's a formal document from the importer that DVLA will accept if you wish to register your bike. A receipt is unlikely to contain enough information.

If the certificate of newness can't be found, a letter from the importer stating the year of manufacture will also suffice. Expect to be charged for this. (If you get it for free then it's a bonus.)

Pete