公司改注册, 请问需要向 移民局寄什么表格？在哪可下载表格？

我LP持TN visa. 她的公司注册将由 LLC (Limited Liability Company) 改为 Corporation。 请问需要向 移民局寄什么表格？在哪可下载表格？

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• Your spouse need to do nothing. -863211- ♂ (0 bytes) () 12/20/2011 postreply 14:12:34

• 回复：Your spouse need to do nothing. -cote-st-catherine- ♀ (237 bytes) () 12/20/2011 postreply 17:44:40

• 回复：回复：Your spouse need to do nothing. -863211- ♂ (275 bytes) () 12/20/2011 postreply 18:03:50

• 回复：回复：回复：Your spouse need to do nothing. -cote-st-catherine- ♀ (131 bytes) () 12/20/2011 postreply 21:02:16

• 回复：回复：回复：回复：Your spouse need to do nothing. -863211- ♂ (239 bytes) () 12/20/2011 postreply 21:23:55

• 回复：回复：回复：回复：回复：Your spouse need to do nothing. -cote-st-catherine- ♀ (18605 bytes) () 12/20/2011 postreply 21:54:31