You became a Connecticut resident for tax purposes as soon as you established your domicile (your permanent home) in Connecticut. You don't need a resident ID card.
For 2017, you will file as a part-year resident in both CT and NY (assuming NY was your previous domicile). TurboTax can handle this common situation. See this FAQ: https://ttlc.intuit.com/questions/1901227-how-do-i-file-a-part-year-state-return
You became a Connecticut resident for tax purposes as soon as you established your domicile (your permanent home) in Connecticut. You don't need a resident ID card.
For 2017, you will file as a part-year resident in both CT and NY (assuming NY was your previous domicile). TurboTax can handle this common situation. See this FAQ: https://ttlc.intuit.com/questions/1901227-how-do-i-file-a-part-year-state-return
and you will still need to file in NYC, even after your move.
True, but only if the taxpayer was a resident of NYC prior to his/her move to CT.
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