回复：紧急求援：H4签证如果没批的话，原来有效的B签证会否失效？

No, unless VO stamps on B page " cancel without prejudice."

If your intention is to wait for GC in US, then just file I-485 in your B1 status. Or file I-539 to H4 within US.

所有跟帖： 

• 如果我用B1递交的话，必须在美国呆满三个月，对吗？ -ly28- ♂ (0 bytes) () 06/30/2006 postreply 09:21:17

• 回复：如果我用B1递交的话，必须在美国呆满三个月，对吗？ -sdfsdfsdff- ♀ (316 bytes) () 06/30/2006 postreply 09:29:31

• Thanks a lot for the very professional advices -ly28- ♂ (0 bytes) () 06/30/2006 postreply 09:33:09