You can choose to credit an existing invoice or simply issue a freestanding refund to a client.
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From an existing invoice
- Go to monetization_on Financial module > Invoices.
- Select the invoice for which you want to create a credit note.
- Click on More options more_vert button.
- Select "Create a credit note."
Not connected to an invoice
- Go to monetization_on Financial module > Invoices.
- Click on Add invoice
- Fill in the details.
- Add a negative amount as an invoice line.
- Click on Generate