回複：請問：有誰最近幫探親超過半年的父母辦成了TAX ID的嗎？

i got two numbers a year ago. One for my mother and one for my son. You need to fill out w-7(?) form, bring applicant's passport. In one case, the officer requested the applicant to be in US for 6 month for that tax year before applying the number.