An Adoption Taxpayer Identification Number (ATIN) is A short lived 9-digit number issued by the IRS to individuals who are in the entire process of legally adopting a U.S. citizen or resident kid but who are not able to get an SSN for that boy or girl in time for https://jeffreyycba2.uzblog.net/the-5-second-trick-for-tax-exempt-47269951