Hi xnssk, thanks for posting an event question.
You indicate that you are a Kansas resident. (Anyone who lives in Kansas, regardless of where employed is a resident. An individual away from Kansas for a period of time who has intentions of returning to Kansas is a resident.)
As a Kansas resident, you must file a Kansas return if you are required to file a Federal return, or your Kansas Adjusted Gross Income (AGI) is more than the total of Kansas standard deduction and exemption allowance. Kansas AGI is Federal AGI after additions and subtractions.
Form K-40 and its instructions - https://www.ksrevenue.gov/forms-ii.html
Please see Q1 of below IRS frequently asked questions if you need to file a US tax return.
https://www.irs.gov/individuals/international-taxpayers/frequently-asked-questions-about-internation...
Hope the above helps. Thank you.
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