To issue Swiss QR invoices, set IBAN and billing type on the bank account.
Go to the Banking tab and select the account for QR payments.
Tap the account name at the top (chevron) to open account settings.
Choose billing type Invoices via QR Code, enter IBAN and QR-IBAN, then save. After that, invoices are issued as Swiss QR bills.
Tip: Your bank provides the IBAN and QR-IBAN (e-banking or statement). Save the account before you issue the next Swiss QR invoice.