Cal. Penal Code § 11166
(a) Except as provided in subdivision (d), and in Section 11166.05, a mandated reporter shall make a report to an agency specified in Section 11165.9 whenever the mandated reporter, in the mandated reporter’s professional capacity or within the scope of the mandated reporter’s employment, has knowledge of or observes a child whom the mandated reporter knows or reasonably suspects has been the victim of child abuse or neglect. The mandated reporter shall make an initial report by telephone to the agency immediately or as soon as is practicably possible, and shall prepare and send, fax, or electronically transmit a written followup report within 36 hours of receiving the information concerning the incident. The mandated reporter may include with the report any nonprivileged documentary evidence the mandated reporter possesses relating to the incident.
(b) If, after reasonable efforts, a mandated reporter is unable to submit an initial report by telephone, the mandated reporter shall immediately or as soon as is practicably possible, by fax or electronic transmission, make a one-time automated written report on the form prescribed by the Department of Justice, and shall also be available to respond to a telephone followup call by the agency with which the mandated reporter filed the report. A mandated reporter who files a one-time automated written report because the mandated reporter was unable to submit an initial report by telephone is not required to submit a written followup report.
(d)
(3)
(e)
(5) As used in this subdivision, “sexual conduct” means any of the following:
(i)
(j)
(3)
(B) The report submitted by the county probation or welfare department to law enforcement agencies and NCMEC shall include, where reasonably possible, all of the following: