How long can a US citizen stay away?
How long can a US citizen stay away? Living Abroad and its Impact The general rule is that a naturalized citizen who voluntarily resides outside the US for an uninterrupted period of more than one year may be presumed to have abandoned their US citizenship. However, this presumption is rebuttable if the individual can provide evidence to the contrary.
What happens if you stay in the US past 90 days?
If an individual is found to have overstayed their ESTA authorization, that individual may be required to leave the United States immediately, and you may face penalties such as fines or a ban on future travel to the United States.
What is the penalty for US citizens entering leaving the US on a foreign passport?
Thus, the penalty is the possibility of denied or delayed entry into the US, as well as the associated costs (e.g. missing connecting flights or meetings).