- Consumers continue receiving invoices in familiar formats: After February 1, 2026, businesses must issue invoices via the KSeF system, but individuals (consumers) will still receive invoices in PDF, paper, or email formats as agreed with them.
- QR codes enable verification in KSeF: If a consumer invoice is issued through KSeF, it must include a QR code that allows the consumer to verify and access the invoice in the system, without needing a KSeF account.
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Invoices remain essential for tax relief: Consumers need invoices in a durable, legible format to document personal income tax relief claims, e.g., for thermal modernization or rehabilitation, regardless of whether the invoice originates from KSeF.
Source Prawo
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