ZeroV99 Tax Number is a WooCommerce extension that seamlessly integrates a Tax Identification Number (TIN) field into your store’s checkout process and billing addresses.
Designed for businesses that need to collect valid tax IDs (such as NIF, CIF, VAT, or similar) for invoicing, tax compliance, or B2B transactions.
Features
Tax Number Field Integration
✔ Adds a configurable tax identification field (TIN) to the WooCommerce checkout.
✔ Displays the field in billing addresses (customer account + admin order view).
✔ Compatible with both individuals and businesses (B2B/B2C).
Data Management & Compliance
✔ Stores tax IDs as order meta and user meta for invoicing and compliance.
✔ Includes a full uninstall script (removes all plugin data: meta, options).
Flexibility & Compatibility
✔ Works with block-based and classic checkout templates.
✔ Elementor-compatible – no conflicts with page builders.
✔ Multi-language ready (includes .pot file for translations).
Customization
✔ Custom placeholder text for the TIN field (via plugin settings).
✔ Custom billing order fields (vía pluign settings).
Screenshots
Checkout page with the Tax Number field.
Admin order screen showing the entered Tax Number.
Customer "My Account" billing address with Tax Number.
"My Account" Order details showing the addresses.
Woocommerce admin settings with the Tax Number tab