QR reference
The 27-character identifier on the QR-bill that ties a payment to its invoice. The last position is a check digit.
More terms under Invoicing, payment and banking: Advance payment Allowance for doubtful debts Bad debt camt.053 Cancellation invoice Cash discount Certificate of shortfall Credit note Creditor Current account Debt enforcement Debtor Default interest Delivery note Dunning eBill Final invoice IBAN Invoice number ISO 20022 / camt Open items pain.001 Part payment Payment term Pro forma invoice QR-bill QR-IBAN Quotation Receipt Tips TWINT as a payment method Visitor taxes