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News – Tuesday, June 3, 2025
IDOR Offers Guidance on Amending State Tax Returns
The Illinois Department of Revenue (IDOR) is reminding taxpayers that if they discover an error on a previously filed state income tax return—such as a miscalculation, a missed deduction, or unreported income—they are required to file an amended return to correct the mistake.
For the full Press Release, see Illinois Department of Revenue Offers Guidance on Amending State Tax Returns.