Field help: (2024) minus non-deductible amounts (depreciation and residual book values) This text refers to the Steuererklärung 2024. You can find the version for the Steuererklärung 2025 at: (2025): minus non-deductible amounts (depreciation and residual book values) Specify non-deductible amounts (AfA and residual book values) to be deducted from the depreciation already specified.