1. Introduction The SAP FI (Financial Accounting) module is one of the core modules used to record, analyze, and report a company’s financial transactions. The transition from SAP ECC to S/4HANA is not just a technical transformation, but a strategic step that enables business processes to be executed more efficiently and in a more integrated manner. S/4HANA, with the high speed and data processing capacity offered by the HANA database, brings significant ease and structural

1. Introduction: What is SAF-T? SAF-T (Standard Audit File for Tax) is a digital audit file developed by the OECD, aimed at allowing companies to submit their financial data to tax authorities in a standardized electronic format. It is designed to increase transparency, efficiency, and international compliance. It plays a crucial role, especially for multinational corporations needing to comply with varying country-specific tax regulations. 2. SAF-T XML Structure and Mandator