How to issue a proforma invoice? BedBooking Office July 23, 2019 04:07 Updated Follow 1. Open the invoice. 2. Edit the invoice. 3. Change the Kind of document to the Proforma Invoice. 4. Save changes. Related articles How to issue an invoice? I need additional help in invoice handling. Where can I find it? What is the purpose of the test deploy of the invoicing features? (early access) How does the "Default reservation status" work? Does BedBooking allow for booking a single bed in a room? Comments 0 comments Please sign in to leave a comment.