Cal. Health & Safety Code § 13143.9

(a) The State Fire Marshal shall, in carrying out Section 13143, prepare, adopt, and submit building standards and other fire and life safety regulations for approval pursuant to Chapter 4 (commencing with Section 18935) of Part 2.5 of Division 13 establishing minimum requirements for the storage, handling, and use of hazardous materials, as defined, in Article 9 of the 1988 Uniform Fire Code, and any subsequent editions, published by the Western Fire Chiefs Association and the International Conference of Building Officials. The State Fire Marshal shall seek the advice of the California Emergency Management Agency in establishing these requirements. This section does not prohibit a city, county, or district from adopting an ordinance, resolution, or regulation imposing stricter or more stringent requirements than a standard adopted pursuant to this section.

(b) A business which files the annual inventory form in compliance with Chapter 6.95 (commencing with Section 25500) of Division 20, including the addendum adopted pursuant to Section 25503.9, shall be deemed to have met the requirements of subdivision (c) of Section 80.103 of the Uniform Fire Code, as adopted by the State Fire Marshal pursuant to this section.

(c) A business which is not required to file a hazardous materials inventory form pursuant to Section 25509 but which is required by the local fire chief to comply with subdivision (c) of Section 80.103 of the Uniform Fire Code, as adopted by the State Fire Marshal pursuant to this section, shall, notwithstanding Chapter 6.95 (commencing with Section 25500) of Division 20, file the inventory form adopted pursuant to Section 25503.3 and the addendum adopted pursuant to Section 25503.9 with the local fire chief for purposes of complying with this requirement, if determined to be necessary by the fire chief.