This article is from the California Driving (and Surviving) FAQ, by "George J Wu" email@example.com with numerous contributions by others.
from firstname.lastname@example.org (Chuck Fry) on 25 Mar 1993:
There is no section in the CVC specifically outlawing a lane change in the
middle of an intersection. HOWEVER, many revenue ... uh, law officers will
ticket you under the blanket section generally known as "Unsafe Lane Change"