Creates the Dependency Determinations for Unaccompanied Children Act. Creates a process for an unaccompanied child in the custody of the federal Office of Refugee Resettlement housed in Illinois who is alleged to have been abused, neglected, or abandoned by one or both parents to file a petition seeking a finding of dependency under the Act. Provides that a child declared dependent is eligible for oversight and services as ordered by the court and may be referred for psychological, educational, medical, or social services deemed necessary as a result of parental abuse, abandonment, or neglect or for protection against trafficking or domestic violence. Defines terms. Makes legislative findings. Effective immediately.