What is a credit note?
A credit note (or credit memo) is a document that reduces the amount a customer owes. It is issued after an invoice to correct an overcharge, handle a return, or apply an agreed adjustment.
When you issue a credit note
- A customer returns goods
- An invoice was overcharged or had an error
- A goodwill or contractual adjustment is agreed
How it applies
A credit note is allocated against one or more invoices, reducing the outstanding balance. It does not delete the original invoice — it keeps an auditable trail of the adjustment.
In VynSales
Create a credit note with its own line items (each with a unit of measure), then allocate amounts across the customer's issued invoices. Allocation totals are checked so you can't over-credit an invoice.