Vehicle Code § 42001.12

Every person convicted of an infraction for a violation of Section 21806 shall be punished as follows:

(a) For a first conviction, by a fine of not less than one hundred dollars ($100) nor more than two hundred fifty dollars ($250).

(b) For a second conviction within one year, by a fine of not less than one hundred fifty dollars ($150) nor more than five hundred dollars ($500).

(c) For a third or any subsequent conviction within three years, by a fine of not less than two hundred fifty dollars ($250) nor more than five hundred dollars ($500).