Everything you'd want to know before you install.
A detailed look at how VAT OSS Autopilot — Real-time EU VAT & OSS return works, why we built it the way we did, and the thinking behind the features above.
Why VAT OSS Autopilot?
Since July 2021, every European online store selling to consumers in other Member States above 10,000 € per year must apply the customer country VAT and remit it via the One Stop Shop (OSS). WooCommerce does not do this natively: each rate must be configured manually, and the quarterly return remains a tedious manual task. VAT OSS Autopilot automates both ends of the chain.
Automatic EU rate calculation
The plugin ships with standard, reduced and super-reduced rates for all 27 Member States, up to date at publication. At checkout, it identifies the customer country and applies the right rate without intervention. If France raises VAT to 21% tomorrow, you edit the value in admin and you are done — no code intervention.
Real-time VIES validation
When a professional enters their intra-EU VAT number at checkout, the plugin queries the European Commission VIES service in less than 8 seconds. If the number is valid, VAT drops to 0% (reverse charge) and the reverse charge mention appears on the invoice. The result is cached 30 days by default to avoid overloading VIES, and if the service is temporarily unreachable, the order goes through with VAT applied for safety.
One-click OSS return
At the end of each quarter, the plugin aggregates all OSS-eligible sales and offers three complementary exports: a summary CSV for portal entry, a detailed CSV that serves as an accounting audit trail, and an XML compliant with the OSS-Union DGFiP schema, ready to upload to your tax portal. You can also get all three in a single ZIP.
Smart micro-business thresholds
For French micro-entrepreneurs (or any revenue-ceiling regime), VAT OSS Autopilot monitors threshold crossings. Values are 100% configurable: label, amount, currency, activity type (goods, services, or all) and custom alert tiers (80, 90, 100% or whatever you want). An email goes out as soon as a tier is crossed, and a persistent notice appears in admin.
Compatible with your modern stack
VAT OSS Autopilot declares HPOS compatibility via FeaturesUtil, works with the new WooCommerce Blocks checkout, and integrates cleanly with Polylang or WPML for multilingual stores. The code follows WordPress standards (PSR-4, nonces everywhere, strict sanitization) and includes a clean uninstall that wipes SQL table, options, VIES cache and order metas.
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