California Code, Business and Professions Code - BPC § 146

(a) Notwithstanding any other provision of law, a violation of any code section listed in subdivision (c) is an infraction subject to the procedures described in Sections 19.6 and 19.7 of the Penal Code when either of the following applies:

(b) Subdivision (a) does not apply to a violation of the code sections listed in subdivision (c) if the defendant has had their license, registration, or certificate previously revoked or suspended.

(c) The following sections require registration, licensure, certification, or other authorization in order to engage in certain businesses or professions regulated by this code:

(d) Notwithstanding any other law, a violation of any of the sections listed in subdivision (c), which is an infraction, is punishable by a fine of not less than two hundred fifty dollars ($250) and not more than one thousand dollars ($1,000). No portion of the minimum fine may be suspended by the court unless as a condition of that suspension the defendant is required to submit proof of a current valid license, registration, or certificate for the profession or vocation that was the basis for their conviction.