Insights on invoicing, VAT, and running a business in Latvia.
B2G e-invoicing is already mandatory; B2B has been voluntary since 1 January 2026 and becomes mandatory in 2028, not 2026 as is often claimed. The real Latvian timeline, and how Fakts already handles it.
A practical walkthrough of the UBL 2.1 XML format Latvia uses for structured e-invoicing: EN 16931, the CustomizationID, and what each part actually means.
Latvia’s €50,000 VAT registration limit, the calendar-year vs rolling-12-month nuance, how Fakts warns you at €40k, and what to do if you’re approaching it.
The law requires a unique sequential number per series, not strictly gapless numbering, despite the myth. What’s actually required, and why Fakts keeps yours gapless anyway.
The four-corner model explained: how your invoice travels from your system to your buyer’s, via access points and dynamic discovery, without a single email attachment.
The math behind 21%, 12%, 5% and 0%: why the reverse charge isn’t a rate, how rounding stays correct, and how foreign currency converts at the ECB rate.