In-depth technical guides, regulatory mandates, and architecture best practices for verifying legal entities, defending zero-rated invoices, and automating cross-border tax compliance.
A complete guide to the European Commission's VAT in the Digital Age (ViDA) proposal, mandatory e-invoicing standards, and how to automate real-time VIES verification.
How the intra-community reverse charge works under Articles 194 and 196, mandatory invoice wording across EU languages, and technical checkout validation.
Architecting high-availability VAT checking systems around European Commission downtime, member state gateway bottlenecks, and immutable compliance proof.
A developer and compliance guide comparing Universal Business Language (UBL) and UN/CEFACT Cross Industry Invoice (CII) syntaxes under the European e-invoicing standard.