The Ministry of Finance has released technical specifications for the KSeF interface in the test environment. This documentation outlines details about QR codes and their associated verification links, it also clarifies information derived from the draft regulation on the use of KSeF that was published in November.
The QR codes serve as visual representations of the verification links and must adhere to the ISO/IEC 18004:2015 standard. Their size and precise placement on printouts is flexible and can be tailored to specific requirements.
