First, click Admin icon on the left sidebar menu of 6Storage dashboard.
Click Customization button and then click Customize Documents. Select the document type as Sales Invoice and click Submit.
You’ll see the preview of the invoice on the right side and the customizable fields on the left side of the screen. Under Body category, choose Tax summary to display the total tax amount.
Then scroll down and click Save & Preview.
On the invoice preview, you’ll see the total tax amount displayed under Sub Total.
If you choose Tax %, you’ll see tax amount for each individual fields on the invoice.
Note: you can either select Tax % or Tax Summary.
Likewise, you can customize the business details, tenant information and other fields on the sales invoice.