Collection and adding VAT ID or SSN into an invoice is one of the premium features of Woo Invoice. In order to enable VAT ID & SSN field into checkout page and show into invoice follow the steps below:
- Go to the Woo Invoice > Settings from your WordPress Dashboard.
- Click on the Invoice tab.
- You will find a VAT ID & SSN sub-section. Toggle “Enable VAT ID” or “Enable SSN” or both.