When my mother has to leave?

My mother is holding a B2 visa and get into America in Chicago on Apr 15th, 2006. I saw there's a seal on her I-94, says"entry on Apr 15, 2006, valid until Apr". The last 'Apr' is hand written by the officer. I'm really confused, is there anyone has same experience? What does this mean? I thought my mother could stay here for 6 months with B2 visa. I was planning to apply for extension for another 6 months and make sure she can spend Christmas holiday with us. Does anybody know where can I ask about that? thanks for any help.

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• 回复：When my mother has to leave? -sdfsdfsdff- ♀ (324 bytes) () 04/25/2006 postreply 07:35:13

• 回复：回复：When my mother has to leave? -xyxyxy- ♀ (241 bytes) () 04/25/2006 postreply 09:06:13

• I-94 is a piece of very important document -mytwocents- ♂ (234 bytes) () 04/25/2006 postreply 09:18:25