How to add Vat, SSN and order note into an invoice?

Collection and adding VAT ID or SSN  into an invoice is one of the premium features of Challan – PDF Invoice & Packing Slip for WooCommercee. In order to enable VAT ID & SSN  field into checkout page and show into invoice follow the steps below:

1. Go to the Challan Invoice > Settings from your WordPress Dashboard.
2. Click on the Invoice tab.
3. You will find a VAT ID & SSN sub-section. Toggle “Enable VAT ID”  or “Enable SSN” or both.