Open amount
The payer enters it.
Learn when the amount may remain empty.
Create QR invoiceA Swiss QR invoice may be issued without a preprinted amount.
This suits donations or variable payments; fixed receivables are clearer with an amount.
The payer enters it.
Scanning reduces errors.
Reference or message enables matching.
Enter payee and IBAN.
Leave amount empty.
Review the document.
Yes, if all other requirements are met.
The payer.
A fixed amount is usually clearer.
Specialist source: SIX – Swiss Payment Standards. This is general information, not tax or legal advice.