42 U.S.C. § 1320b-7
State and local social services agencies that administer the Food Stamp Supplemental Nutrition Assistance Pprogram must share information with
state and local agencies administering the child support enforcement program;
state and local agencies for purposes of determining eligibility and benefits under the Temporary Assistance for Needy Families, Medicaid, and unemployment compensation programs; and
the Social Security Administration for purposes of determining eligibility and benefits under the Social Security and Supplemental Security Income programs.
Information may be shared only to the extent necessary to meet the valid administrative needs of the agency receiving the information and must be protected against unauthorized use or disclosure for other purposes.