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How are estimated payments affected by income shown on Schedule K-1-P?
For individuals, if your tax liability is more than $1,000 after applying any credits and withholding payments, you are responsible for making estimated payments. The same is true for corporations that have a tax liability of more than $400. Partnerships and S corporations electing to pay pass-through entity (PTE) tax that have a tax liability of more than $500 are required to make estimated payments. All other partnerships and S corporations are not required to make estimated payments. Income from partnerships and S corporations is treated as being received by you on the last day of the partnership's or S corporation's tax year.
In some instances, distributions from partnerships and S corporations can increase your tax liability significantly, and you may not have enough withholding to cover your tax liability. In these instances, you are responsible for making estimated payments. You need to review your quarterly reports from the issuer and monitor the amount of income you are receiving from partnerships and S corporations. If your tax liability owed to the Illinois Department of Revenue is greater than the allowable amount because of income you received from a partnership or S corporation, you may be able to reduce or eliminate the penalty by annualizing your income. See Form IL-2210, Computation of Penalties for Individuals, and the Form IL-2210 Instructions, or Form IL-2220, Computation of Penalties for Businesses, and the Form IL-2220 Instructions, for more information.