Cal. Gov. Code § 51015.3

The State Fire Marshal may, in the interest of public safety, adopt emergency regulations which govern intrastate pipeline emergencies involving railroad car derailments. Any hazardous liquid pipeline located in a rural area shall be exempt from these regulations. Notwithstanding any other provision of law, these emergency regulations shall remain in effect until permanent regulations provided for in Section 51015.2 are adopted, but in no case beyond January 1, 1995.