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來源: 於 2015-11-26 17:25:27 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

The principleis that your physical presence has to be at least 30 months from the date you got the green card in the last five years before you file N-400. You can file N-400 in advance up to 3 months  if you meet the physical presence requirement.