Credit note
The downward correction of an invoice already issued — with its own number, not as a change to the old invoice.
More terms under Invoicing, payment and banking: Advance payment Allowance for doubtful debts Bad debt camt.053 Cancellation invoice Cash discount Certificate of shortfall 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 reference QR-bill QR-IBAN Quotation Receipt Tips TWINT as a payment method Visitor taxes