Cal. Bus. & Prof. Code § 19277.1

Every household mover, and every officer, director, agent, or employee of a household mover, who displays on any vehicle any identifying symbol other than the symbol prescribed by the bureau pursuant to Section 19236 or who fails to remove an identifying symbol when required by the bureau, is guilty of a misdemeanor and is punishable by a fine of not more than one thousand dollars ($1,000), by imprisonment in the county jail for not more than one year, or both.