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Directory Results for Illinois Department of Revenue 2015 IL1120X For tax years ending on or after December 31, 2015 Indicate what tax year you are amending: Tax year beginning month day year , ending month day year If you are filing an amended return for tax years ending to Illinois Department of Revenue 2015 IL8453 Submission ID Illinois Individual Income Tax Electronic Filing Declaration (Do not mail IL8453 to the Illinois Department of Revenue unless it is requested for review

Illinois Department of Revenue 2015 IL1120X For tax years ending on or after December 31, 2015 Indicate what tax year you are amending: Tax year beginning month day year , ending month day year If you are filing an amended return for tax years ending
Illinois Department of Revenue 2015 IL8453 Submission ID Illinois Individual Income Tax Electronic Filing Declaration (Do not mail IL8453 to the Illinois Department of Revenue unless it is requested for review