Illinois State Library

Electronic Documents of Illinois

Electronic Documents of Illinois

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  • Form IL-2210 Instructions


  • Instructions for completing a Computation of Penalties for Individuals form. The purpose of this form is to figure any penalties you may owe if you did not make timely estimated payments, pay the tax you owe by the original due date, orfile a processable return by the extended due date.

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  1. Form IL-2210 Instructions 2005 : 1438