20 CFR §603.21

1. (a)Temporary Assistance to Needy Families Agency—Any State or local agency charged with the responsibility of administering a program funded under part A of Title IV of the SSA.
2. (b)Medicaid Agency—Any State or local agency charged with the responsibility of administering the provisions of the Medicaid program under a State plan approved under Title XIX of the SSA.
3. (c)Food Stamp Agency—Any State or local agency charged with the responsibility of administering the provisions of the Food Stamp Program under the Food Stamp Act of 1977.
4. (d)Other SSA Programs Agency—Any State or local agency charged with the responsibility of administering a program under a State plan approved under Title I, X, XIV, or XVI (Supplemental Security Income for the Aged, Blind, and Disabled) of the SSA.
5. (e)Child Support Enforcement Agency—Any State or local child support enforcement agency charged with the responsibility of enforcing child support obligations under a plan approved under part D of Title IV of the SSA.
6. (f)Social Security Administration—Commissioner of the Social Security Administration in establishing or verifying eligibility or benefit amounts under Titles II (Old-Age, Survivors, and Disability Insurance Benefits) and XVI (Supplemental Security Income for the Aged, Blind, and Disabled) of the SSA.