- The KSeF system sets the invoice issue date as the date the invoice is sent to the system, not the date entered by the issuer.
- Invoices with future issue dates are rejected by KSeF, ensuring the system date matches or is before the stated date.
- This rule impacts VAT settlement deadlines and makes invoice dates objective, independent of taxpayer preferences.
- The change affects accounting and tax reporting for VAT in Poland.
Source: prawo.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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