I am an expat with no US address and therefore can´t complete form which requires US address. What should I do?

What form requires a U.S. address?

If you are talking about the screen in TurboTax that asks for your mailing address, there is a drop-down list above the spaces for the address information. Click the arrow to open the drop-down list, and select "Foreign Address." Then you will be able to enter your foreign address. Before you do this, delete any address information that you already entered.

Did that but at the end was asked again for name and state and when I input no state the system wouldn´t proceed and produced an address for a person with my name in the US

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@user814071377 wrote:

Did that but at the end was asked again for name and state

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At the end of what? What specific screen asks for "name and state"? Where is it in the TurboTax interview? Can you post a screen shot?

What name is it asking for? Your name?