Field help: (2023) Date of birth This text refers to the Steuererklärung 2023. You can find the version for the Steuererklärung 2024 at: (2024): Date of birth Specify here the supported person's date of birth. Irrespective of the age of the supported person, maintenance payments in 2023 are tax-deductible up to a maximum of 10.908 Euro.