add radio button on page order

[JPFaucon]

Hello .

I'm on virtuemart 2.0.22a and I would like to add a group of radio button control like this page.




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should be taken that the values ​​of the order invoice and email client command.

Can you say me how to do

good day

[Maxim Pishnyak]

What are these words in red rectangle? In English please.