Issue credit notes against an existing invoice — partial or full. The credit reduces the customer balance and posts the reversing journal entry without touching the original sale or its tax records.
Invoices → All Invoices. Open the invoice the credit applies to.
Click Issue Credit Note. Pre-fills with the invoice line items.
Untick lines that aren't being credited; change quantities for partial credits. The credit total updates live.
Pick a reason (Pricing dispute / Damaged goods / Customer relations / Accounting correction). Appears on the customer-facing PDF.
Click Issue Credit. The customer's outstanding balance drops by the credit amount. Apply it to a future invoice or refund cash separately.