The “NIP Field for WooCommerce” plugin adds a NIP field to the WooCommerce order form, which is automatically saved in order details and in the order confirmation email.
Features
Adds NIP field to WooCommerce checkout above existing “Company Name” field
Full support for both traditional and Gutenberg block checkout
Compatible with WooCommerce High-Performance Order Storage (HPOS)
Optional validation: 10 digits
Field can be required or optional (configurable in settings)
Saves NIP field value to order details (admin panel)
Saves NIP field value to order details in customer panel (My Account)
Saves NIP field value to WooCommerce order confirmation email
Pro Version
A Pro version is also available with additional features:
Automatic company data retrieval after entering NIP