Follow the steps to fill out the IL IL-425 form online

1. Click ‘Get Form’ button to access the form and launch it in the online editor.
2. Identify yourself by filling in your name, Social Security number, your partner’s name, and their Social Security number. Also, provide your mailing address, daytime phone number, and city, state, and ZIP code.
3. Indicate whether you filed a tax return with the Illinois Department of Revenue for the current tax year by selecting ‘Yes’ or ‘No’. If relevant, specify the tax year related to a prior tax return.
4. Attach the required verification documents. Choose one document from Category 1 that contains your photograph and full name, and one document from Category 2 that has your full name and complete address used in your tax return.
5. Complete any additional notes if necessary, then review all your entries for accuracy.
6. Once completed, save your changes, download the form, print it, or share it as needed. Finally, submit the form as directed.

Complete your IL IL-425 form online today.