For purposes of this article: “Case plan” means the plan developed by the local department for a program participant in accordance with 42 U.S.C. § 675(1). “Child” means an individual who is (i) less than 18 years of age or (ii) for purposes of the Fostering Futures program set forth in this article, less than 21 years of age and meets the eligibility criteria set forth in § 63.2-919. “Fostering Futures” means the services and support available to individuals between 18 and 21 years of age who are participating in the Fostering Futures program. “Local department” means the local department of social services under the local board having care and custody of the program participant when he reached 18 years of age. “Program participant” means an individual who meets the eligibility criteria set forth in § 63.2-919. “Voluntary continuing services and support agreement” means a binding written agreement entered into by the local department and program participant in accordance with § 63.2-921.