Overview
- From July 1, 2026, eligible users can submit their return via smartphone with a single tap, with opt‑in activation available in the app from March 31.
- Initial eligibility covers single, childless employees and recipients of retirement income, encompassing roughly 11.5 million taxpayers nationwide.
- Tax offices will provide a prefilled 2025 declaration plus a preview of the assessment, and users can edit entries before consenting to one‑click submission.
- The feature was developed in Bavaria for federal and state authorities and will be available in all German states, with functions and the user base to be expanded later.
- Tax‑assistance groups and software providers warn of missed deductions if drafts are accepted without review, while the tax officers’ union backs the move and calls for broader data integration.