Cal. Bus. & Prof. Code § 19104
(a) The International Sleep Products Association shall conduct a survey of mattress producers, including those that are registered with the bureau as of January 1, 2019, and shall submit a survey report to the bureau on or before January 31, 2020. The International Sleep Products Association shall conduct a new survey of mattress producers, including, but not limited to, registered mattress producers, and submit a survey report to the bureau on or before January 31, 2023, and every three years thereafter. A survey report shall include the following information for each unique combination of fibers or yarns, or both, and other materials in components used for meeting flammability standards, including, but not limited to, mattress components such as fire barriers or flame retardant chemical-treated batting or ticking or closing thread, used in the manufacture of new mattresses: