BZSt FATCA DIP Filing: Handbook v1.5 and the XML Upload Route
Version 1.5 of the Kommunikationshandbuch FATCA Teil 1, dated 3 August 2026, is the Bundeszentralamt für Steuern (BZSt) manual that governs BZSt FATCA DIP transmission for German reporting financial institutions and the service providers that file on their behalf. The change history lists a single addition: information on encoding for files sent through the XML…