A KSeF ID (Krajowy System e-Faktur ID) is a unique, system-assigned number for electronic invoices in Poland, appearing as a long string of characters, like 9512479714-20240403-A3F89B2E2CFC-29, which identifies the invoice within the national system and links to it via a QR code, ensuring authenticity and traceability.
invoic_Examples
<property name="ksefId">9512479714-20240403-A3F89B2E2CFC-29</property>
invoic_XPATH
/b24Message/invoice/property[@name="ksefId"]
invoic_Required
No
invoic_Type
Text
invoic_Sort
9910