Luxembourg VAT number format
8 digits
| VIES prefix | LU |
|---|---|
| Structure | 8 digits |
| Pattern | ^\d{8}$ |
| Company name via VIES | Yes |
| Address via VIES | Yes |
| Verified example | LU20260743 — AMAZON EU SARL |
Check digit
Mod-11 check (weights 8,9,10,...) exists; not enforced.
Vatline does not reject on this check. Only the structure is enforced, so a format-valid number can still turn out to be unregistered. Rejecting a genuine customer costs more than one extra lookup.
Check a number
Known-good value: LU20260743, which VIES returns as AMAZON EU SARL.