Triagency Letter: Citizenship Immigration Status and Social Security Numbers (January 21, 2003) [pdf]
Letter from HHS and the U.S. Department of Agriculture: Policy guidance regarding inquiries into citizenship, immigration status, and social security numbers in state applications for medicaid, State Children’s Health Insurance Programs (SCHIP), Temporary Assistance for Needy Families (TANF), and food stamp benefits. Approved for distribution by OMB. Form Approved OMB# 0990-0379 Exp. Date 9/30/2020