The provisions of Sections 13145, 13146 and 13146.3 shall, so far as practicable, be carried out at the local level by persons who are regular full-time members of a regularly organized fire department of a city, county, or district providing fire protection services, and shall not be carried out by other persons pursuant to Section 34004 of the Government Code.
Source:
Section 13146.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=13146.5..