A green card holder who has stayed outside the U.S. for more than 180 days or more could be considered as inadmissible. Permanent residents staying outside the U.S. for more than a year without a re-entry permit could be subjected to airport-to-airport proceedings.
(I) who is not in possession of a valid unexpired immigrant visa, reentry permit, border crossing identification card, or other valid entry document required by this Act, and a valid unexpired passport, or other suitable travel document, or document of identity and nationality if such document is required under the regulations issued by the Attorney General under section 211(a) or
(I) is not in possession of a passport valid for a minimum of six months from the date of the expiration of the initial period of the alien's admission or contemplated initial period of stay authorizing the alien to return to the country from which the alien came or to proceed to and enter some other country during such period, or
(iii) GUAM AND NORTHERN MARIANA ISLANDS VISA WAIVER- For provision authorizing waiver of clause (i) in the case of visitors to Guam or the Commonwealth of the Northern Mariana Islands, see subsection (l).