Field help: (2021) Line 13 Losses from the sale of shares This text refers to the Steuererklärung 2021. You can find the version for the Steuererklärung 2025 at: (2025): Line 13 Losses from the sale of shares Enter the unbalanced losses from the sale of shares according to line 13 in your tax statement.If you wish to claim losses from the sale of shares, you must always submit the corresponding tax statement together with the tax return.