“Policeman” as used in this part also includes persons employed in positions set forth in Sections 20438 and 31469.4 for the purposes of Section 218(d)(5)(A) of the Social Security Act.
This section shall be operative only in counties which elect to terminate the social security coverage of county probation officers and juvenile hall employees in that county and elect to include such officers and employees within the safety membership retirement category.
Source:
Section 22013.6, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=22013.6..