Multiple State Taxes Paid

[nikkiliz]

I am a resident of state x and have income from states y and z.  When state x asks how much tax was paid to states y and z, do I enter the amount of tax withheld or the actual amount of tax actually owed?

[SteamTrain]

Just the actual tax assessed by the other states.

So you usually have to do the non-resident states first. 

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Usually????   You need to specify which state is your resident state, and which other states are involved.

Why???  Because some states have reciprocal tax agreements between them  and a few others have reverse-reciprocal tax agreements.