How to issue a deferred invoice
Before issuing an invoice, insure that the program is in the 'Issuing'
mode as shown by the green arrow in the upper right corner of the program
After selecting the customer for whom an invoice must be issued, it is possible to specify the delivery receipt that relates to the invoice and the items in that document that are to be imported into the invoice.
After completing the mandatory fields it is then possible to insert the
list of services and the VAT rate in the document.