Customers will get invoices if they fill out their B2B details during checkout - for both One-Time Payments (such as Digital Downloads, Game Keys or simple One-Time Payments) and Subscriptions.
Customers can fill out B2B details including their Tax ID's during checkout - when the .
Invoices will be sent to B2B customers if they fill out their Tax details during checkout (if you've turned on Billing Step Info in the Dashboard).
Customer receive e-mails with the link to their invoice.