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Home / Docs / Filter and action hooks – EU-VAT Assistant

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  • Safely add code snippets to your WooCommerce website

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  • Troubleshooting – jQuery events or vanilla JavaScript events not working

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  • Filter and action hooks – EU-VAT Assistant
  • Changelog – Fluid Checkout EU-VAT Assistant
  • Troubleshooting – jQuery events or vanilla JavaScript events not working
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Filter and action hooks – EU-VAT Assistant

Best practices #

If you are unsure about how to add the code snippet to your website, check our article:
How to safely add code snippets to your WooCommerce website

Actions #

Currently this add-on does not call any custom actions.

Filters #

  • fc_vat_enable_compat_plugin_{plugin_slug} Controls whether the compatibility code for specific plugins should be loaded.
  • fc_vat_enable_compat_theme_{theme_slug} Controls whether the compatibility code for specific themes should be loaded.
  • fc_vat_enable_compat_{$page}_plugin_style_{$plugin_slug} Controls whether styles for specific pages and plugins should be loaded.
  • fc_vat_enable_compat_{$page}_style_{$theme_slug} Controls whether styles for specific pages and themes should be loaded.
  • fc_vat_number_field_args Customize the appearance, behavior, and validation arguments of the default VAT number field in the checkout and address forms.
  • fc_vat_is_vat_number_field Determines whether a specific field is considered a VAT number field, allowing you to extend VAT logic to custom fields.
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Updated on August 30, 2025
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