Thank you very much. That makes sense. I didn't have my previous years return as it was mailed in from the UK and I mislaid the copy during moving. So looks lik...

So the AGI is generated by Turbo Tax when I completed the 2016 return online before sending then? That is good to know, I thought it would have to come from the...

No, I was in the UK for most of the year and paid tax there, so nothing is owed and no refunds are due for 2016