You will receive your business invoice in the invoice email that you receive immediately after paying for your order. You can also download your business invoice from your account, as long as you have ordered from an account.
After placing your order, you can download your business invoice from your account. Log in and open your account. Click on "My Orders". Open the order for which you would like to download the business invoice. Click on the button "Print Order" at the top right-hand side of the screen. The download should start.