2815 not 28150

http://www.leginfo.ca.gov/cgi-bin/displaycode?section=veh&group=02001-03000&file=2800-2818? 

2815.  Any person who shall disregard any traffic signal or
direction given by a nonstudent school crossing guard, appointed
pursuant to Section 21100, or authorized by any city police
department, any board of supervisors of a county, or the Department
of the California Highway Patrol, when the guard is wearing the
official insignia of such a school crossing guard, and when in the
course of the guard's duties the guard is protecting any person in
crossing a street or highway in the vicinity of a school or while
returning thereafter to a place of safety, shall be guilty of an
infraction and subject to the penalties provided in Section 42001.1.