Originally Posted by
Hornetcoach
I remember years ago when I had USA and UK passports I tried to leave the US using my US passport and enter the UK with a UK passport, the immigration officer picked it up because my UK passport did not have an exit stamp from the US. I never tried that again and never used the UK passport again.
Yes the US insists that if you have a US passport you must enter and leave on that. Daughter has US/UK passports, she enters/leaves the US on the US one and enters the UK on the UK one and that has not been an issue. Which is now tempting providence!