....我太太和孩子2006 年1月來美. 應該不能報稅. 但可以今年申請稅號嗎?....
What 稅號? They already have SSNs, don't they?
If they do, it's ILLEGAL...hehe...unecessary, to get 稅號 (ITIN). Read this thing:
http://www.irs.gov/businesses/small/international/article/0,,id=96696,00.html#itin