Field help:
(2019)
Tax-free share of partial income
Enter tax-free income from a self-employed full-time or part-time job that is subject to the partial income procedure.
According to sect. 3, no. 40 of the Income Tax Act (EStG), the tax-free part amounts to 40% of the income.
Please check carefully what amount of the partial income was certified. You may have to subtract or convert the tax-free part of the income.