Indiana Income Tax Instructions - Indiana Income Tax Instruction Booklet
This booklet includes instructions for filling out and filing your IT-40 income tax return. We last updated the Indiana Income Tax Instruction Booklet in December 1969. You can print this form directly from TaxFormFINDER.org, or download it as a PDF for editing or later use.
Indiana Department of Revenue Source:
Indiana usually releases forms for the current tax year between January and April. We last updated Indiana Income Tax Instructions in December 1969.
For more Indiana tax forms, visit our Indiana tax forms page.