I'm pleased to share some information about how to get the commercial and sales tax invoices together in QuickBooks Online (QBO). This way, I can guide you accordingly.
Commercial and tax invoices are dominant documents when you are shipping goods internationally. So the customs officials can assess the duties and the taxes payable. With this, I'd recommend creating two invoice templates to customize them accordingly. Before creating them, be sure to include the following information on the screenshots below to avoid any delays in the product: