California Code, Public Utilities Code - PUC § 1037

Every passenger stage corporation which violates any provision of this article, or aids or abets, or without being present advises or encourages any person or corporation in such violation, is guilty of a misdemeanor and, upon conviction thereof, if a person, shall be punished by a fine not exceeding one thousand dollars ($1,000) or by imprisonment in a county jail for a term not to exceed six months, or by both such fine and imprisonment, or, if a corporation, shall be punished by a fine not to exceed one thousand dollars ($1,000).