Can customers input two different emails at checkout for B2B?

Hi,

We’re having a shop for B2B-customers, where we want the possibility for the customer to fill in two different emails in the check out. One mail for example confirmation emails, and one for billing. Most of our customers have a separate address for billing but want information emails to another email.

Is this possible?

The address to our shop is shop.eab.se .

Thanks in advance.