Field help: (2021) Business tax to be paid for 2021 This text refers to the Steuererklärung 2021. You can find the version for the Steuererklärung 2025 at: (2025): Business tax to be paid for 2021 Enter here the business tax to be paid which you paid in the tax year 2021.The business tax to be paid consists ofthe advance business tax payments andthe final payment after submission of the business tax return.