(a) To be eligible for the family support program, a family must have at least one family member who has a developmental disability, as defined in this article, living with the family.
(b) The primary focus of the family support program is supporting: (1) Developmentally disabled children, school age and younger, within their families; (2) adults with developmental disabilities who choose to live with their families; and (3) adults with developmental disabilities for whom other community living arrangements are not available and who are living with their families.