How do I make GST invoices for my Shopify orders?

Step-by-step instructions

1. 1
   Open Commerce from the navigation sidebar and switch to Orders.
2. 2
   To invoice a single order, tap Make GST invoice on the order row or order details.
3. 3
   To batch invoice all pending orders, tap Make GST invoices for this month at the top of the list.
4. 4
   If an item lacks tax, set its rate in Settings or on the product in Products before invoicing.
5. 5
   When a customer returns items on an invoiced order, tap Make credit note beside the refund to issue a GST credit note.