Cal. Health and Safety Code § 111192

(a) Bottlers and water haulers that distribute directly to consumers shall provide a sentence on each billing statement that includes one of the following: (1) A telephone number of the bottler or brand owner. (2) The bottler’s or brand owner’s mailing address. (b) Bottlers or brand owners may also include other forms of contact, including, but not limited to, the bottler’s or brand owner’s E-mail address or website. (c) Bottlers and water haulers that distribute directly to consumers shall, in the billing statement, provide to new customers, and to existing customers once per year thereafter, the following statement: “As a food product, bottled water is subject to rules and regulations promulgated by the federal Food and Drug Administration (FDA). For further information, please contact (insert the name of the bottler or brand owner) at (insert the bottler’s or brand owner’s telephone number or mailing address).” (d) Water vending machines shall display the same information on the machines that is required under subdivisions (a) and (c). (e) Retail water facilities shall provide new customers the same information that is required under subdivisions (a) and (c). These facilities shall also display this information in a take-home format. (f) This section shall become operative on January 1, 2002.