California Code, Civil Code - CIV § 904

If a builder has elected to use an enhanced protection agreement, and a homeowner disputes that the particular provision or time periods of the enhanced protection agreement are not greater than, or equal to, the provisions of Chapter 2 (commencing with Section 896) as they apply to the particular deficiency alleged by the homeowner, the homeowner may seek to enforce the application of the standards set forth in this chapter as to those claimed deficiencies.  If a homeowner seeks to enforce a particular standard in lieu of a provision of the enhanced protection agreement, the homeowner shall give the builder written notice of that intent at the time the homeowner files a notice of claim pursuant to Chapter 4 (commencing with Section 910).