2005 California Penal Code Sections 723-727 CHAPTER 5. SUPPRESSION OF RIOTS

723.  When a sheriff or other public officer authorized to execute
process finds, or has reason to apprehend, that resistance will be
made to the execution of the process, the officer may command as many
able-bodied inhabitants of the officer's county as he or she may
think proper to assist in overcoming the resistance and, if
necessary, in seizing, arresting, and confining the persons
resisting, and their aiders and abettors.
724.  The officer must certify to the Court from which the process
issued the names of the persons resisting, and their aiders and
abettors, to the end that they may be proceeded against for their
contempt of Court.
726.  Where any number of persons, whether armed or not, are
unlawfully or riotously assembled, the sheriff of the county and his
or her deputies, the officials governing the town or city, or any of
them, must go among the persons assembled, or as near to them as
possible, and command them, in the name of the people of the state,
immediately to disperse.
727.  If the persons assembled do not immediately disperse, such
magistrates and officers must arrest them, and to that end may
command the aid of all persons present or within the county.