TomD8
Level 15

State tax filing

Does she have an IL-PIN?  Illinois will accept an e-filed return without the AGI if the taxpayer has an IL-PIN.

https://tax.illinois.gov/questionsandanswers/answer.59.html?wcmmode=disabled

 

Otherwise you may have no choice other than mailing in the Illinois return.

**Answers are correct to the best of my ability but do not constitute tax or legal advice.