Section 830.35 Of Chapter 4.5. Peace Officers From California Penal Code >> Title 3. >> Part 2. >> Chapter 4.5.

. The following persons are peace officers whose authority extends to any place in the state for the purpose of performing their primary duty or when making an arrest pursuant to Section 836 as to any public offense with respect to which there is immediate danger to person or property, or of the escape of the perpetrator of that offense, or pursuant to Section 8597 or 8598 of the Government Code. Those peace officers may carry firearms only if authorized and under terms and conditions specified by their employing agency.
  (a) A welfare fraud investigator or inspector, regularly employed and paid in that capacity by a county, if the primary duty of the peace officer is the enforcement of the provisions of the Welfare and Institutions Code.
  (b) A child support investigator or inspector, regularly employed and paid in that capacity by a district attorney's office, if the primary duty of the peace officer is the enforcement of the provisions of the Family Code and Section 270.
  (c) The coroner and deputy coroners, regularly employed and paid in that capacity, of a county, if the primary duty of the peace officer are those duties set forth in Sections 27469 and 27491 to 27491.4, inclusive, of the Government Code.