Document format and locale facts for Luxembourg

Why these defaults?

The country code comes from ISO 3166. Unicode CLDR supplies presentation-oriented locale, currency, paper, date, language, calendar, numbering, and direction metadata. Defaults reduce setup time; they do not decide what a valid document must contain.

Recorded official or regional-official language tags: fr, lb, de.

Selected national claims reviewed

Document vocabulary and checks

Luxembourg VAT invoice particulars, ten-year VAT-record retention, ordinary electronic-invoice consent and public-procurement structured e-invoice boundary are reviewed from government and consolidated-law sources. This generator does not submit through the public-procurement channel. Exemption, reverse-charge and special cases remain transaction-specific checks.

Evidence snapshot: 3 official sources · last reviewed 2026-07-20. This is scoped guidance, not a jurisdiction-wide compliance certification.

Tax labels: TVA (VAT). Business identifier labels: Numéro d'identification TVA.

• Guidance: Luxembourg's official business portal requires invoices over EUR 100 to state sequential number and issue date, supplier VAT number, parties' names and addresses, supply or advance-payment date, quantity/nature, net price and tax base by rate, VAT rates and amounts, and the reason for exemption. It also specifies a simplified set for lower-value invoices and additional reverse-charge/cash-accounting references where applicable.Evidence LU_GUICHET_INVOICE, LU_INDIRECT_TAX_INVOICE · reviewed 2026-07-18 · review by 2027-01-18 · automation advisory only
• Required when applicable: Luxembourg VAT books and invoice records are generally retained for ten years under the consolidated VAT law, with transaction-specific periods and access requirements addressed by the same legislation.Evidence LU_VAT_LAW_2026 · reviewed 2026-07-20 · review by 2027-01-20 · automation advisory only
• Guidance: Electronic invoicing requires recipient acceptance for ordinary transactions, while compliant electronic invoices are required for public procurement and concession contracts subject to listed exceptions. This generator does not submit through Luxembourg's public-procurement channel.Evidence LU_GUICHET_INVOICE, LU_VAT_LAW_2026 · reviewed 2026-07-18 · review by 2027-01-18 · automation advisory only

Identifier format guidance: See the relevant authority.