Q. Do I even need to file a non-resident state tax form for Indiana?
A. Yes, for the time you physically worked in IN. But "nobody" does. See:
http://money.cnn.com/2013/06/28/pf/taxes/business-traveler-tax-threat/ If you live in a state without an income tax (e.g. FL or TX), it’s more likely you should file in the work states. You can't use the "it all comes out even" rationale for not filing.
