Existing law requires the State Department of Social Services to establish a statewide hotline as the entry point for a Family Urgent Response System to respond to calls from caregivers or current or former foster children or youth during moments of instability. Existing law requires the hotline to include, among other things, referrals to a county-based mobile response system, which counties are required to establish, for further support and in-person response. Existing law defines the term "current or former foster child or youth" for the purposes of these provisions as a child or youth found to be within the jurisdiction of the juvenile court as either a dependent or delinquent child and who is served by the county child welfare agency or probation department and a child or youth who has exited foster care to reunification, guardianship, or adoption. This bill would expand that definition to also include, among others, a child or youth who is placed in foster care and is the subject of a petition to declare them a dependent child of the juvenile court. By expanding county duties relating to the county-based mobile response system, this bill would impose a state-mandated local program. The California Constitution requires the state to reimburse local agencies and school districts for certain costs mandated by the state. Statutory provisions establish procedures for making that reimbursement. This bill would provide that no reimbursement is required by this act for a specified reason.