A re-entry permit is required by some countries, for their

citizens Citizenship is a "relationship between an individual and a state to which the individual owes allegiance and in turn is entitled to its protection". Each state determines the conditions under which it will recognize persons as its citizens, and ...

or tourists who leave the country for an extended period of time. For example, the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

issues a re-entry permit to a resident

alien Alien primarily refers to: * Alien (law), a person in a country who is not a national of that country ** Enemy alien, the above in times of war * Extraterrestrial life, life which does not originate from Earth ** Specifically, intelligent extrater ...

who plans to travel abroad for an extended period of time (up to two years) while maintaining their permanent residency.

References

*
I Am a Permanent Resident How Do I… Get a Reentry Permit
'.

United States Citizenship and Immigration Services U.S. Citizenship and Immigration Services (USCIS) is an agency of the United States Department of Homeland Security (DHS) that administers the country's naturalization and immigration system. It is a successor to the Immigration and Naturalizati ...

. August 2008. Retrieved November 13, 2010.

References

See also