(a) Except as provided in subdivision (b), violation of Section 20170 is an infraction punishable by a fine of one hundred dollars ($100) for the first offense, and three hundred dollars ($300) for a second offense.
(b) A third or subsequent violation of Section 20170 is punishable as a misdemeanor.
(c) Nothing in Section 20170, 20175, or this section shall be construed to preclude prosecution for a violation of Section 171b, 171.5, or 626.10.