This version of the form is not currently in use and is provided for reference only. Download this version of Form IL-505-I for the current year.
This is a legal form that was released by the Illinois Department of Revenue - a government authority operating within Illinois. As of today, no separate filing guidelines for the form are provided by the issuing department.
Q: What is Form IL-505-I?
A: Form IL-505-I is a payment voucher for individuals to make an automatic extension payment for their Illinois state income taxes.
Q: Who needs to use Form IL-505-I?
A: Individuals who need extra time to file their Illinois state income tax return can use Form IL-505-I to make an automatic extension payment.
Q: How do I use Form IL-505-I?
A: Fill out the voucher with your personal information, including your name, address, and Social Security number. Then, calculate the estimated amount of tax you owe and include that amount with your payment. Finally, mail the completed voucher and payment to the address provided.
Q: When is Form IL-505-I due?
A: Form IL-505-I and the payment are due on or before the original due date of your Illinois state income tax return, which is typically April 15th.
Q: Is there a penalty for not filing Form IL-505-I?
A: Yes, if you owe Illinois state income tax and don't file Form IL-505-I or pay the estimated amount by the original due date, you may be subject to penalties and interest on the unpaid amount.
Q: Can I file Form IL-505-I electronically?
A: No, Form IL-505-I cannot be filed electronically. It must be mailed with the payment to the address provided on the form.
Form Details:
Download a fillable version of Form IL-505-I by clicking the link below or browse more documents and templates provided by the Illinois Department of Revenue.