See this recent request, from kjgraf on the Essentials Accounting page:
Do we have an ETA on when we’ll be able to have our PayID shown on [Essentials] invoices? Many of the banks have only ...
I would like to quote our organisations Pay id details on our invoices and to show that info at the bottom next to our other payment options. To say we can list these in the Notes section is a poor substitute, we use that for other purposes. Can this be seriously looked into with a vew to implementing ASAP.