EU VAT registry reference, built as a utility.
VAT formats (EU)
Country-by-country VAT number syntax, developer regex, examples, and notes in one dense table.
Syntax checker (client-side)
Validate format rules in your browser only. No lookups, no database calls. Then route to the official source.
1) What it is
What a VAT registry is, how it relates to VAT registration, and how it differs from a VAT number.
2) How it's structured
How registry records are organised: common fields, status concepts, and limits.
3) Where it's used
Where VAT registry information is referenced in onboarding, invoicing context, and administration.