VAT Mechanics
8 min read
The reverse charge mechanism shifts VAT liability from the supplier to the buyer in cross-border B2B transactions, but the rules vary by jurisdiction and transaction type. This guide breaks down how it works, when it applies, and what your ERP needs to handle it correctly.
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SaaS & Digital Tax
10 min read
Selling SaaS into the EU triggers VAT obligations that many software companies overlook until it is too late. Learn the registration thresholds, rate determination rules, and compliance strategies that keep your business on the right side of EU tax authorities.
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Place of Supply
7 min read
For digital services, VAT is generally due where the customer is located, not where the supplier is based. Understanding these place of supply rules is critical for determining which country's VAT rate applies and whether you need to register there.
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Cross-Border VAT
9 min read
Whether your customer is a business or a consumer fundamentally changes how VAT applies to a cross-border transaction. From reverse charges to registration thresholds, this article maps out the diverging rules and how to classify transactions correctly.
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EU Compliance
6 min read
The EU OSS scheme lets businesses file a single VAT return to cover B2C sales across all 27 member states, eliminating the need for multiple registrations. Here is how the scheme works, who qualifies, and what it means for your reporting workflows.
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12 min read
US SaaS Companies: A Global Guide to VAT/GST on B2C Sales
Over 60 countries now require foreign SaaS companies to collect VAT/GST on B2C sales. This guide covers registration thresholds, rates, and filing requirements in the EU, UK, Australia, Canada, Japan, Singapore, India, and more — with a practical framework for prioritizing compliance.
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11 min read
ViDA Explained: How the EU's VAT in the Digital Age Package Affects Your Business
The EU's ViDA package brings mandatory e-invoicing for cross-border B2B, deemed-supplier rules for accommodation and transport platforms, and a single VAT registration framework. Here's the three-pillar breakdown and the 2027-2035 implementation timeline.
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10 min read
Global VAT/GST Rate Changes in 2025-2026
Estonia, Romania, Indonesia, Philippines, Brazil, Nigeria — dozens of countries changed VAT/GST rates or introduced new digital services tax rules in 2025-2026. A comprehensive tracker with effective dates, rates, and what it means for your tax engine.
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11 min read
Should you use a Merchant of Record like Paddle or FastSpring, or register for VAT and remit it yourself? A detailed comparison of costs, control, and compliance trade-offs for SaaS companies selling B2C internationally.
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10 min read
VAT number validation is a substantive requirement for the reverse charge and zero-rating. This guide covers the VIES REST API with Python and JavaScript code examples, common pitfalls, and best practices for reliable validation.
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10 min read
Stripe is a payment processor, not a Merchant of Record. Stripe Tax calculates tax amounts, but it does not register you for VAT, file returns, or remit tax. Here is exactly what Stripe handles and what you still need to do yourself.
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12 min read
E-invoicing is becoming mandatory worldwide. This tracker covers mandates and timelines for Italy, France, Germany, Poland, Spain, India, Saudi Arabia, Brazil, Mexico, Malaysia, and more — plus the key standards you need to support.
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11 min read
An honest comparison of the leading tax automation solutions. Covers approach, coverage, pricing, implementation time, and best-fit use cases for each platform — including where DeterminedAI's AI-powered determination stands out.
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Reference
A comprehensive reference guide to the key terms used in cross-border VAT/GST compliance. From reverse charge and place of supply to ViDA and IOSS, each definition focuses on practical meaning for digital businesses.
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