Are there exceptions for students on the one year reentry limit for green card holders?
Answer:
Only if you get advance approval BEFORE you leave. In that case you can extend your stay to 2 years.
Yak Rider is confused. If you have a green card, you don't need advance parole. You can get a re-entry permit that will allow you to stay out of the US for up to two years, but not a day over.
Here is how to do it:
http://www.uscis.gov/portal/site/uscis/m...
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