S4FN provides integrated easy to implement SAP solutions for SAF-T and E-Invoicing, don't change any configuration of SAP.
Our solutions are ready to run and doesn't require any cloud connectivity or per transaction fees. Our all objects has namespace /s4fn, in this way they are not interfere with SAP objects and custom Z objects. We support direct connecitivity to tax agencies with built-in connectors. Connectivity generally a simple RFC definition from the SAP configuration point of view.
JPK Poland An Overview
The Single File Control (ang. Standard Audit File-Tax – SAF-T) is a collection of data that is created from the information systems business entity through direct export of data, including information on business operations for the period, having a standardized layout and format (XML schema) allows its easy processing.