是移民了吗?如果是,选I am a tax resident of Canada. 如果不是移民了,从中国来的,选I am a tax resident of a jurisdiction other than Canada or the United States. 然后选Reason 2: My jurisdiction of tax residence does not issue TINs to its residents.(没有个人税号)
估计是用来决定是否留置所得税用的。税务居民利息收入不用留置所得税。