The investigation of allegations of elder and dependent adult abuse pursuant to this chapter, and the case management of elder and dependent adult abuse cases shall be performed by county merit systems civil service employees. A county adult protective service agency may utilize a contracted private or nonprofit telephone answering service after normal working hours and on weekends and holidays. Such a contracted telephone service shall immediately forward to a county merit systems civil service employee any report of abuse or neglect of an elder or dependent adult, unless the caller is:
Ca. Welf. and Inst. Code § 15766