California Code, Harbors and Navigation Code - HNC § 678.15

(1) For an initial conviction, by a fine of not more than one hundred dollars ($100).

(2) For a second conviction, by a fine of not more than two hundred fifty dollars ($250).

(3) For a third or subsequent conviction, by a fine of not more than five hundred dollars ($500).

(d)(1) In addition to the fines imposed by subdivision (b), the court shall order a person convicted of violating this article to complete and pass a boating safety course approved by the division pursuant to Section 668.3.

(2) If a person who is ordered to complete and pass a boating safety course pursuant to paragraph (1) is 18 years of age or younger, the court may require that person to obtain the consent of a parent or guardian to enroll in that course.

(3) A person who has been ordered by a court to complete a boating safety course pursuant to paragraph (1) shall submit to the court proof of completion and passage of the course within seven months of the date of his or her conviction. The proof shall be in a form that has been approved by the division and that is capable of being submitted to the court or a state or local agency approved by the division through the United States Postal Service or another certified means of transmission.