EU VAT Validator (VIES VAT Number)
Validate format and authenticity of European Union intra-community VAT (VIES) numbers.
About EU VAT Validation
Verifies valid EU country prefix and confirms that the national number complies with VIES length rules.
Secure, real-time client-side validation in browser memory.
EU VAT Validation Algorithm
- Strip spaces and uppercase input.
- Verify 2-letter prefix in official DG TAXUD list.
- Audit national number length between 2 and 16 characters.