NIP Field for WooCommerce

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
• Auto-filling “Company Name” field with GUS data
• Auto-filling address fields with GUS data
• Saving GUS data to order data

Learn more about Pro version

1. Download the plugin and install it in WordPress panel.
2. Activate the plugin.
3. Go to “NIP Field for WooCommerce” menu in admin panel to configure settings.

1. 

   Checkout view

2. 

   Settings in admin panel

1.3.1

• Readme: added demo video link in description
• Readme: emphasized Pro version link styling

1.3.0

• Fix: NIP no longer duplicated in formatted billing address when company name matches customer’s first and last name (affected admin order, emails, thank-you page, My Account)
• Switched NIP rendering in address to WooCommerce-native {nip} placeholder system (woocommerce_order_formatted_billing_address + woocommerce_formatted_address_replacements + woocommerce_localisation_address_formats)

1.2.2

• Small fixes

1.2.9

• Hardcode Polish text in dashboard widget for reliable display

1.2.8

• Remove JS forced widget repositioning – respect user’s dashboard layout

1.2.7

• Fix: Dashboard widget translations – added strings to .pot for translate.wordpress.org
• Fix: Dashboard widget now always appears at the top of all widgets

1.2.6

• Added Devikit promo dashboard widget with accounting integrations overview

1.2.5

• Fix: WooCommerce may pass WP_Post instead of WC_Order to woocommerce_process_shop_order_meta – use WC_Order for update_meta_data()

1.2.4

• NIP field editable in admin order billing form (same as address fields, like WFirma)
• HPOS-compatible order meta save

1.2.1

• Fixed compatibility with Baselinker

1.2.0

• Fixed full compatibility for WooCommerce Gutenberg blocks checkout

1.1.0

• Added full support for WooCommerce Gutenberg blocks checkout
• Added compatibility with WooCommerce High-Performance Order Storage (HPOS)
• Improved compatibility with newer WooCommerce versions (8.8+)
• Enhanced checkout field registration for both traditional and block checkout
• Fixed issues with field display in block-based checkout pages

1.0.5

• Version synchronization fix between plugin file and readme
• Improved Pro Version link styling for better readability
• Enhanced UI consistency

1.0.3

• Version synchronization with WordPress.org
• Ensured all changes are properly deployed

1.0.2

• Updated Pro version links
• Fixed translation credits

1.0.1

• Fixing small bugs

1.0.0

• Initial release