MaryK4
Expert Alumni

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He will want to file Part-Time Michigan and Illinois.  For Michigan, he will report 1099-NEC.  For Illinois, he will have nonresident Illinois income (1099-NEC because he was working in Illinois while a resident of Michigan) and resident Illinois income for the W2.  If he can identify the date he received interest and/or dividends, he can report to the state where he was a resident.  

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