Invoices, sales receipts, estimates and credit notes: To make items on your invoices and sales receipts taxable:
- On the product or service line(s) that you'd like to collect sales tax for, click to select the box under the GST column.
- Select a tax rate from the drop-down menu.
- Click Save and close.
Note: If you don't see a GST column on your transaction, check to see that you've turned on the Tax feature.