After you file

A federal tax payment for a prior year will not be factored into your 2017 Federal return.  There are some states where you are given a deduction for federal taxes paid, but they are generally the minority of states.  TurboTax would ask for this information during your state interview process.  You would see a screen or line item that asks about any federal payments made for prior years (just the tax - not interest/penalties).

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