Is the document perforated? Gianluca Augustin May 16, 2022 08:45 Updated Yes, the payment slips are perforated according to the requirements. Related articles Why is the recipient's address not recognised? My country and postcode are not recognised? Why can't I process ISR documents? What will be verified about the content of an ISR/QR-bill? I cannot install my Printer driver on Windows. What should I do? How do I process PDF files?