(a) DefinitionsIn this subchapter:
(1) Child with a disabilityThe term “child with a disability” means an individual who—
(A) In general
(3) Family support for families of children with disabilitiesThe term “family support for families of children with disabilities” means supports, resources, services, and other assistance provided to families of children with disabilities pursuant to State policy that are designed to—
support families in the efforts of such families to raise their children with disabilities in the home;
reunite families with children with disabilities who have been placed out of the home, whenever possible.
(6) Systems change activitiesThe term “systems change activities” means efforts that result in laws, regulations, policies, practices, or organizational structures—
that facilitate and increase access to, provision of, and funding for, family support services for families of children with disabilities; and
(b) Special ruleReferences in this subchapter to a child with a disability shall be considered to include references to an individual who is not younger than age 18 who—
is residing with and receiving assistance from a family member.