Tax number for depedent staying over 180 days in USA

My daughter arrived in USA on July 2nd, 2008. So when I pay tax this year, do I need to apply for a tax number for her? So she can be my dependent, she is here over 180 days in total. Thanks.

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• Absolutely, then you will save lots money -lanyu- ♀ (0 bytes) () 10/01/2008 postreply 07:28:34

• July 2 - Dec 31 is not 180 days. -jin_yin_hua- ♀ (192 bytes) () 10/01/2008 postreply 08:40:12

• There are more than 180 days from July 2nd to Dec 31th -pongrus- ♂ (0 bytes) () 10/01/2008 postreply 09:11:54

• You are both correct. -昭君出塞因地製宜- ♂ (0 bytes) () 10/01/2008 postreply 10:15:39

• You are right. it just 183. as: -jin_yin_hua- ♀ (107 bytes) () 10/01/2008 postreply 12:42:37