Is it possible to use Lohnsteuer kompakt to process tax returns for 2013 or earlier?

With the latest version, you can edit your tax return for the following years:

• Tax year 2015 (available until the end of March 2025)
• Tax year 2016
• Tax year 2017
• Tax year 2018
• Tax year 2019
• Tax year 2020
• Tax year 2021
• Tax year 2022
• Tax year 2023
• Tax year 2024

We no longer offer the processing of tax returns for tax years 2014 and earlier.