If a trade name is used on any vehicle which conveys, or any place where imitation ice cream or imitation ice milk is sold, the words "imitation ice cream" or "imitation ice milk", shall be the same size as the largest letters used in the trade name and as conspicuously placed. In no case shall the letters in the words "imitation ice cream" or "imitation ice milk" be less than six inches high.
Ca. Food and Agric. Code § 39212