Standards for inclusion in TANF assistance unit.

(a) An application on behalf of a dependent child shall include in the TANF assistance unit the following individuals, if living in the same household as the dependent child and otherwise eligible:

(1) The parent or parents of a dependent child, except that a parent who marries a person with whom the parent does not have any child in common may, at the parent’s request, choose not to be included in the dependent child’s assistance unit;

(1A) The step-parent of a dependent child, if there is a parent of the dependent child in the home who chooses to be included in the dependent child’s assistance unit; and

(1B) Any dependent child of a step-parent who is included in a dependent step-child’s assistance unit; and

(2) All blood-related, half-blooded-related, and adopted brothers and sisters of the dependent child who are themselves dependent children under age 18 or under 19 years of age and are full-time students in a secondary school (or in the equivalent level of vocational or technical training); and

(3) Repealed.