Field help: (2021) Time period This text refers to the Online Steuererklärung 2021. You can find the version for the Steuererklärung 2025 at: (2025): Time period Enter the period in which the child was in a transitional period in 2021.For each month in which there was a reason, you can receive the pro rata child allowance and child-raising allowance if the conditions are met.