Bookkeeping: New announcement published by BMF (Federal Ministry of Finance) on GoBD (principles of duly keeping and retaining books, records and documents in electronic form as well as regarding data access) DELTA Revision 21. November 20146. February 2017 Sorry, no translation available. http://www.bundesfinanzministerium.de/Content/DE/Downloads/BMF_Schreiben/Weitere_Steuer..