You can watch the video tutorial, which provides a step-by-step guide through the process.
You can also add your business registration number to your invoices by following the simple steps below:
Important Note: If you entered your business registration number during the Simple Invoice setup, it will appear as the last line in the ‘Company Information’ field.
Step 1: Open Simple Invoice from your Shopify store’s “Apps” section.
Step 2: Click on “Templates” in the Simple Invoice dashboard.
Step 3: Activate the ‘Edit Text Mode’ option and click on the Company Information section to add your business registration number. All text fields are inline editable.
Step 4: Please click the “Save” button to confirm your changes.