IL 425Irs Tax FormsIdentity Document 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by identifying yourself. Fill in your name and Social Security number, followed by your spouse’s details if applicable. Ensure that your mailing address and daytime phone number are accurate.
3. Next, provide return information. Indicate whether you filed a tax return for the current year by selecting 'Yes' or 'No'. If applicable, specify the prior tax year related to your response.
4. Attach the required documents for identity verification. Choose one document from each category: Category 1 requires a photo ID with your full name, while Category 2 needs a document showing your full name and address used on the tax return.
5. If you have any additional notes, include them in the optional section provided.
6. Finally, submit the completed form to the Illinois Department of Revenue using the provided mailing address or fax number.

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