Section of the Domestic Relations Office that establishes and enforces child(1) A person under age 21. (2) For TANF, a person under age 18, or a person age 18 who is a full-time student in a secondary school or in the equivalent level of vocational or technical training. (3) As a mandatory household member, a natural, adopted, or stepchild of any age or any person under age 18 and under the parental control of an adult household member. (4) For exclusion of income, a person under age 18 who is a student at least half-time and is under the parental control of another household member.-supportA payment made, either voluntarily or as a result of a court order, as alimony or for the support of a child or spouse. orders.