Important Notices
Response Options for Identity Verification Letters
If you received an identity verification letter from the Illinois Department of Revenue, you can respond electronically by selecting the option that matches your letter: enter a code, take a quiz, or attach documents. No MyTax Illinois account is required. For more information, see Identity Verification Letters Information.
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Frequent Questions
- How do I check the status of my individual income tax refund?
- What payment methods can I use to pay my individual income tax balance due?
- How do I obtain an IL-PIN and do I need it to file?
- Does Illinois tax my pension, social security, or retirement income?
- Who is an Illinois resident?
- What do I do if I mailed my tax return and I forgot to attach my W-2 or other supporting documents?
Trending Forms
- 2023 IL-1040, Individual Income Tax Return
- 2023 IL-1040 Instructions
- 2023 Schedule IL-E/EIC, Illinois Exemption and Earned Income Credit
- 2023 Schedule ICR, Illinois Credits
- 2023 Schedule IL-WIT, Illinois Income Tax Withheld
- Form IL-W-4, Employee’s and other Payee’s Illinois Withholding Allowance Certificate and Instructions
- 2024 IL-1040-ES Estimated Income Tax Payments for Individuals
- CRT-61 - Certificate of Resale