True.

回答: 回复:谢谢863211, 麻烦再回答几个问题8632112010-08-16 08:54:31

After you leave US during the change of status pending, the f1 application is automatically invalid,. But you had better inform USCIS to canle the F1 after you return to US with the H1 visa because USCIS may still approve the F1 mistakenly. So, just make sure the F1 is invalid in this case.

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then I will have illegal gap between 8/31/2010 and new h1b? -dadainnyc- 给 dadainnyc 发送悄悄话 (83 bytes) () 08/16/2010 postreply 09:51:19

回复:then I will have illegal gap between 8/31/2010 and new h1b? -863211- 给 863211 发送悄悄话 863211 的博客首页 (196 bytes) () 08/16/2010 postreply 10:02:10

回复:回复:then I will have illegal gap between 8/31/2010 and new h1b -863211- 给 863211 发送悄悄话 863211 的博客首页 (309 bytes) () 08/16/2010 postreply 10:06:46

how can I make sure? by sending uscis a letter as approval? -dadainnyc- 给 dadainnyc 发送悄悄话 (103 bytes) () 08/16/2010 postreply 13:24:05

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