Cal. Health & Safety Code § 13139
(a) On or before January 1, 2008, the State Fire Marshal shall approve and list portable gasoline containers that are designed and constructed according to one of the following child-resistant standards:
(c) For purposes of this section, “portable gasoline container” means any container or vessel with a nominal capacity of 10 gallons or less that is intended for reuse and is designed, used, sold, advertised, or offered for sale primarily for receiving, transporting, storing, or dispensing gasoline. “Portable gasoline container” does not include either of the following: