Many a times, you’ll have to add additional information to your customer’s billing/shipping address. It could be anything such as VAT number, reference number, or a tracking ID.
You can use custom fields to enter these additional information and add them to your customer’s billing or shipping address by inserting the appropriate placeholders.
Here’s how:
You’ll be able to see this custom field in the Custom Field tab while creating or editing the address for a customer.
Books
Online accounting software
for small businesses.