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Directory Results for Illinois Department of Revenue Schedule REG1T Attach to REG1 to Illinois Department of Revenue Schedule UB Common year ending for the unitary business group Combined Apportionment for Unitary Business Group Attach to your IL-1120 or Form IL-1120-ST for tax years ending on or after December 31, 2006

Illinois Department of Revenue Schedule REG1T Attach to REG1
Illinois Department of Revenue Schedule UB Common year ending for the unitary business group Combined Apportionment for Unitary Business Group Attach to your IL-1120 or Form IL-1120-ST for tax years ending on or after December 31, 2006