H1B延期至少需要提前幾個月申請？

來源: xiaoou2000 於 2015-11-02 11:48:17 [舊帖] [給我悄悄話] 本文已被閱讀：次

本人H1b明年4月滿6年，剛拿到批準的I-140, 請問辦理H1b延期至少需要提前幾個月申請？多謝

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