WooCommerce Purchase Order Gateway v1.4.10

WooCommerce Purchase Order Gateway extension adds a field to the checkout screen where your customer enters their purchase order number.

You can set the plugin to ask the customer for a Purchase Order Number, and dictate whether this is mandatory or can be left blank.
You can set the plugin to ask the customer for a postal address for the invoice.
You can set the plugin to pre-fill this address with the customer’s existing billing address
You can set the plugin to add supplied Purchase Order information to order notification emails
You can set the plugin to add supplied Purchase Order information to order objects in the WooCommerce REST API