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What should I do if I mailed my income tax return but did not sign it?
- What should I do if I mailed my income tax return and forgot to include the check?
- What do I do if I mailed my tax return and I forgot to attach my W-2 or other supporting documents?
- I filed my Form IL-1040 electronically. Do I need to mail anything?
- Will Illinois accept a computer generated signature for the tax preparer?
Once your return is received and processed we will mail you a notice to sign and send back to us. If you do not sign the notice within 30 days, you may then be subject to a late-filing penalty.
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