For which year does the app create the tax declaration? Anja Butenschön May 15, 2023 15:18 Updated Taxfix supports you with your tax declarations for the previous 4 years. Related articles How much does it cost to use Taxfix? The prefilled tax return: Can I change the retrieved data? Do I get confirmation after filing my tax return with Taxfix? When will I get my tax refund from the tax office? The prefilled tax return: What data is retrieved?