Apply a discount to a sales invoice when you create it, or when you record the customer's payment.

1. Go to Sales and select Sales Invoices.
2. Select New Invoice.
3. Enter the invoice detail as normal.
4. In the Discount* column, enter either an amount or percentage discount.
5. Review the rest of the invoice and select Save.

You can also add a discount to an existing invoice when you record the receipt. Read pay a sales invoice for more information.