I think you are confusing this with automatic revalidation of US

來源: 2426 於 2005-12-02 16:00:12 [] [舊帖] [給我悄悄話] 閱讀數 : (225 bytes)
回答: 去加拿大旅遊不要簽證 由 6461 於 2005-12-02 15:14:15

the 30 day rule applies to visitors(US F/H/J visa holders) to canada who wish to return to US.

US green card holders do not require a visa to enter Canada, and it has nothing to do with how long you are staying there.

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