Field help: (2023) Maintenance expenses 2020 This text refers to the Steuererklärung 2023. You can find the version for the Steuererklärung 2025 at: (2025): Maintenance expenses 2020 This field shows the (partial) amount that has been transferred from tax year 2020 to the current tax year 2023 and can now be deducted. This amount is based on the maintenance expenses you claimed on your tax return for the year 2020.