- From April 1, 2026, more taxpayers will be required to use the KSeF system for structured invoices, but this obligation does not apply to invoices issued to consumers (B2C).
- VAT invoices for consumers are only required upon the consumer’s explicit request, and this rule remains unchanged with KSeF.
- Invoices for consumers can still be issued outside KSeF, either in paper or electronic form, as agreed with the customer.
- Issuing invoices to consumers via KSeF is optional; sellers may choose to do so, but it is not mandatory.
- The method of delivering invoices to consumers (paper, email, customer portal) remains unchanged unless the seller opts to use KSeF.
Source: ksiegowosc.infor.pl
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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