How do I print a receipt for the upgrade?

I need a receipt to turn into my corporate office for the upgrade purchase on our account please?

Subscription invoices can be viewed from your account billing page.  Here is a direct link to the page:

https://www.jotform.com/myaccount/billing

And here is more information on how to view the invoices:

https://www.jotform.com/help/329-How-to-Check-Invoices