Cal. Health and Safety Code § 18029.1

(a) Notwithstanding Section 18029, a person may, without filing an application for an alteration or conversion required by this chapter, alter or convert, or cause to be altered or converted, the structural, fire safety, plumbing, heat-producing, or electrical systems and installations or equipment of a manufactured home or mobilehome in order to extend a gas line or electrical feeder line, or both, from a utility-owned service line to the electrical subpanel or gas inlet of the manufactured home or mobilehome only for the purpose of a natural gas or electric service utility upgrade, or both, within a mobilehome park that is subject to or consistent with the requirements of Public Utilities Commission Decision 14-03-021 (March 13, 2014). (b) Notwithstanding Section 18029, if, at the time that natural gas or electric service is connected to a manufactured home or mobilehome as part of a natural gas or electric service utility upgrade, or both, within a mobilehome park that is subject to or consistent with the requirements of Public Utilities Commission Decision 14-03-021 (March 13, 2014), a defect in the manufactured home or mobilehome relating to the heat-producing or electrical systems or installations or equipment is found, the heat-producing or electrical systems or installations or equipment may be repaired or replaced without filing an application for an alteration or conversion required by this chapter if the repair or replacement is necessary to correct the defect, is made promptly, and is approved by the department. (c) The department shall inspect any alteration or conversion described in subdivision (a) or (b) to ensure that any health and safety standards set forth in this part or Part 2.1 (commencing with Section 18200), or any rules and regulations adopted pursuant to those parts, that are consistent with the mission set out in Public Utilities Commission Decision 14-03-021 (March 13, 2014) are met.