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Zero Middleware
Native WordPress runtime execution with 0 SaaS latency.
GPLv2 Licensed
100% unencrypted code. Inspect, extend, and deploy freely.
PHP 8.3 Ready
Tested against WP 6.7+ & Gravity Forms 2.9+ core.
WordPress Add-onv1.0.0
Formidable Quaderno Worldwide VAT & GST Tax Engine Pro
Automated worldwide VAT, GST, and US sales tax calculation & compliance receipts.
4.9(1,200+ developers)
480 downloads
Billed annually
All-Access Pass
Explore →Unlock All 400+ Plugins for $199/yr
Unlimited sites, future releases & priority support.
Included With Your Purchase
Instant ZIP Download — Clean, unencrypted GPLv2 code
1-Click Automatic Updates — Directly from WordPress Admin
1 Year Priority Ticket Support — Answers in <4 hours
30-Day Money-Back Guarantee — 100% risk-free trial
100% Risk-Free 30-Day GuaranteeIf this add-on does not solve your exact Gravity Forms workflow requirement, our engineering team will resolve it or issue a prompt 100% refund.
256-Bit SSL Encrypted View Documentation
Core Capabilities
- Real-time calculation of EU VAT, UK VAT, US Sales Tax, Canadian GST/PST, Australian GST
- Instant reverse charge EU VAT number verification via VIES
- IP geolocation and postal code verification to satisfy tax evidence rules
- Automatically generate and deliver localized tax receipts with required fiscal text
- Tax threshold monitoring alerts when nearing sales tax economic nexus
- Comprehensive tax report generation for quarterly tax filings
Technical Specifications
Versionv1.0.0 (Production)
PlatformWordPress
PHP Compatibility8.0 – 8.3+
WordPress Compatibility6.0 – 6.7+
LicenseGPLv2
Updates1-Click Automatic
Architectural
Overview
Formidable Quaderno Worldwide VAT & GST Tax Engine Pro handles global tax compliance. Automatically calculate tax rates based on customer location, validate EU VAT numbers, and issue legally compliant tax receipts.
Frequently Asked Questions
Frequently Asked Questions
How do I install and configure Formidable Quaderno Worldwide VAT & GST Tax Engine Pro?
Download the signed ZIP file from GravityHive, navigate to Plugins → Add New → Upload Plugin in your WordPress admin, activate the plugin, and enter your license key under Form Settings → GravityHive Licenses to enable automated 1-click updates.
Is Formidable Quaderno Worldwide VAT & GST Tax Engine Pro compatible with WordPress Multisite and latest PHP?
Yes, Formidable Quaderno Worldwide VAT & GST Tax Engine Pro is fully tested and supported on PHP 8.0, 8.1, 8.2, and 8.3, WordPress 6.0+, and Gravity Forms 2.7, 2.8, and 2.9+, with full WordPress Multisite (WPMU) compatibility.
What is the refund policy for Formidable Quaderno Worldwide VAT & GST Tax Engine Pro?
GravityHive offers a 30-day risk-free money-back guarantee. If you encounter any technical issues our engineering team cannot resolve, you receive a prompt 100% refund.
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