Cal. FIN § 5307

Whoever willfully and knowingly makes, issues, circulates, transmits, or causes or knowingly permits to be made, issued, circulated, or transmitted, any statement or rumor which is written, printed, reproduced in any manner, or communicated by word of mouth, that is untrue in fact and is directly or by inference false, or malicious in that it is calculated to injure the reputation or business, financial condition, or standing of any association shall be punished by a fine of not more than ten thousand dollars ($10,000), by imprisonment in a county jail not exceeding one year or pursuant to subdivision (h) of Section 1170 of the Penal Code, or by both that fine and imprisonment.