Route: Sources
Sources & references
The items below are the references used to write and maintain this content. Access dates are provided.
European Union references
- European Commission: VAT information and administrative context. Accessed: 2026-01-19
- VIES (VAT Information Exchange System): EU cross-border VAT number checking channel (referenced for context only). Accessed: 2026-01-19
National tax administration references (examples)
- Portugal (AT): VAT registration and registry context. Accessed: 2026-01-19
- France (DGFiP): VAT registration / VAT ID context. Accessed: 2026-01-19
- Germany (BZSt): VAT ID and registry-related guidance. Accessed: 2026-01-19
Notes on usage
This site does not reproduce official databases. It explains registry concepts and points to official sources.