Guides
Bookkeeping explained clearly, based exclusively on official sources.
Guide
Filing VAT from inside your software: the route differs per country
Germany prescribes an interface, Austria FinanzOnline, Belgium Intervat and the Netherlands a direct link. What none of them prescribes is a product.
updated 8 Sep 2026
GuideHanding over your books: what each country wants in a file
Germany lets the inspector set the format, Belgium the officer, Austria wants it on a data carrier — and the Netherlands accepts only XAF 4.0 from 2027.
updated 8 Sep 2026
GuideIs accounting software certified? What the tax authorities publish
Germany lists 623 products on the vendors' own word, Belgium's list disclaims certification, the Dutch check is offline and Austria publishes specifications only.
updated 8 Sep 2026