What is this code IL1040-8100-1 and how do I edit my ago

posted

Code IL1040-8100-1 is an Illinois Department of Revenue (IDOR) rejection indicating that your prior year's Adjusted Gross Income (AGI) or ID information does not match their records. Go back to the state section of TurboTax and follow the steps to file again, verifying your entry is correct.

See IL – Illinois AGI Rejection – Code IL1040-8100-1.

**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"