For TANF, all earned income of a child who receives as a dependent is exempt. To qualify as a dependent child, see PM 03-04-02.
The earned income of a person of any age who receives TANF as an adult is nonexempt.
For all Family Health Plans, all earned income of a person under age 19 is exempt unless the person is married or has a child. If the person under 19 is married or has a child, their earned income is exempt in determining their eligibility but considered in determining their spouse and/or child's eligibility.