IL Tax Return Rejection Code IL1040-9900-4

Problem: The Illinois Dept. of Taxation is asking you to make an IL tax return correction.

Solution: Please sign in your eFile.com account. You will see the detailed rejectioin message on the right side page after you click on My Return.

You will need to provide IL identity information during checkout

Click on File on the left side green menu and re-efile your IL return at no charge. During checkout you will be asked to enter IL related state information:  If filing online, at least one of the following Secondary Taxpayer Shared Secret Signature fields must be transmitted: Secondary IL-Pin, Secondary Prior Year AGI, or Secondary IL Shared Secrets Drivers License/State ID Number. Or, if no Shared Secrets available all of the following Secondary Taxpayer IL Drivers License/State ID signature fields must be transmitted as shown on the IL Drivers License/State ID: Secondary Taxpayer IL Drivers License/State ID Number, Drivers License/State ID First Name, Drivers License/State ID Middle Name, Drivers License/State ID Last Name, Drivers License/State ID Suffix, and Drivers License/State ID Weight.

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



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