File Indiana Form IT-40X
Prepare Form IT-40X now with TaxAct
Indiana Form IT-40X is a tax return document for residents who need to amend their previous return. Also known as the amended individual tax return form, it is used to correct any errors in income, reimbursements or tax credits on a number of other Indiana IT-40 tax documents. When filling out your IT-40X form, you will be given the chance to explain why you are making an amendment in your tax return.