I have never done this myself, but apparently it works. When I open the programme it says:
Invoicing
23.10.18 - As of version 9, invoices can be issued with Banana Accounting NEW. The programme includes various invoice models (with and without payment slip (orange ISR and red IS for Switzerland).
The programme can be downloaded from the manufacturer's website as a demo version (full range of functions / max. 70 bookings).