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In Luxembourg, a legal invoice is a formal document proving the sale of goods or services, required for VAT purposes and essential for accounting, audits, and resolving disputes. Issuing compliant invoices is a legal obligation under Luxembourg’s Commercial Code and VAT rules.
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VAT-registered businesses in Luxembourg must issue invoices for B2B, B2G, and specific B2C transactions. Invoices confirm the transfer of goods or services, document VAT liabilities, and allow the buyer to reclaim VAT. Electronic invoicing is becoming mandatory for B2G transactions.
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In B2C transactions, invoices are typically optional but required for specific cases like distance sales, construction work on immovable property, or if the customer requests one. Ensuring compliance with invoicing rules is critical for smooth VAT reporting and legal compliance.
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The deadline to issue invoices in Luxembourg is usually by the 15th day of the month following the taxable event. This ensures that VAT is properly recorded and reported in the correct tax period, preventing potential non-compliance penalties.
Source: www.fiscal-requirements.com