Cal. Health & Safety Code § 108330

If the department finds that the requirements of Section 108200 are not adequate for the protection of the public health and safety in view of the special hazard presented by any particular hazardous substance, it may by regulation establish reasonable variations or additional label requirements as it finds necessary for the protection of the public health and safety; and any hazardous substance intended, or packaged in a form suitable, for use in the household or by children, that fails to bear a label in accordance with regulations shall be deemed to be a misbranded hazardous substance.