Question about H1->F1

来源: needwait.. 于 2004-04-07 11:23:14 [] [旧帖] [给我悄悄话] 阅读数 : (207 bytes)

How long could I work after I received the receipt of F1 application? Till to the approval data? Since it need to 2 weeks to mail the approval notice, is it illegical working during this period (mail time)?

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