Can you send me a link for writing the PO for upgrading?

Can you send me a link for writing the PO for upgrading?

I am an educational entity and need to write a po for the upgraded service.

I need to know who to make the po out to, is it jotform or blue snap?

Thanks

Here is the process for upgrading via purchase order:

https://www.jotform.com/help/353-How-to-Upgrade-and-Pay-by-Purchase-Order

The purchase order is filled out automatically during the process.