#GreenCard holders wishing to apply for a "Reentry Permit" will find this question about tax returns of interest https://t.co/5Y4ntBM5nM pic.twitter.com/CYXXtOAVvo
— Citizenship Lawyer (@ExpatriationLaw) September 26, 2017
Once you have been granted the right to live permanently in the United States, and become a “lawful permanent resident”, it is important that you maintain the intention to live permanently in the United States. If you cease to intend to live permanently in the United States then you have lost the right to live permanently in the United States.
As a “lawful permanent resident” you are free to travel outside the United States. Like all people (including U.S. citizens) who travel outside the United States, you are required to have the appropriate travel documents. The State Department provides the following guidance: