You are correct. The amount of the adjustment to income on the Iowa return should be reducing the total charitable contributions on the Schedule A. At this point, it is manual adjustment. If you are using Desktop, go into forms mode by clicking on "Forms" in the upper right hand corner. The open the IA Sch A and decrease the amount of charitable cash contributions by the amount of the charitable adjustment to income on page 1 of the IA 1040. If you are using TurboTax Online, there will be a question in the Iowa state return regarding reducing your charitable contribution deduction on the IA Sch A.
