Cal. Ins. Code § 12756

A home protection company shall invest only in those assets defined in Article 3 (commencing with Section 1170) and Article 4 (commencing with Section 1190) of Chapter 2 of Part 2 of Division 1, except that an amount to be determined by the commissioner by regulation of its admitted assets may be invested in tangible personal property held by it for the purpose of repair or replacement of home components, systems or appliances under its home protection contracts.