IL Tax Return Rejection Code IL1040-10100-1

Problem: Your Tax Return needs a correction as requested by the State of Illinois.

Find the message about the correction on the right side of your page after you have signed into your account.

Solution: Please sign in to your account now and click on My Return in the upper left. Then review the Tax Return Status message on the right and follow the instructions provided. If it's not clear, try to re-efile at no charge or contact us immediately.

File your IL again and during checkout make sure you enter the correct info.

The Secondary Taxpayer Drivers License number or State ID number did not match the Drivers License or State ID number on the Illinois Department of Revenue production file. If PC Online return and the Filing Status is equal to Married Filing Joint, at least one of the following Secondary Taxpayer signature fields must be present and match the department production file: Secondary IL-Pin, Secondary Prior Year AGI, or Secondary IL Shared Secrets Drivers License/State ID Number.

1. Sign in:

2. Click on My Return on the upper left and read the message on the right.

If you have questions, please contact us as soon as possible so we can assist you with your Tax Return.