First click Admin icon on the left sidebar of 6Storage dashboard.
Under Customization, click Customize Documents, select Sales Receipt and then click Submit.
The customization console on the left lets you customize the receipt as you require. You can also edit the receipt content in your local language.
As an added feature, you can also set to show the past invoice due on the receipt. To enable this, click “Invoice Due” and select the necessary fields you’d like to show on the receipt.
After you make the changes, click Save & Preview
The changes you made will reflect in the sales receipt henceforth.