California Code, Civil Code - CIV § 8712

If an owner fails to provide or maintain the security required by this chapter, the direct contractor may give the owner notice demanding security. The notice shall comply with the requirements of Chapter 2 (commencing with Section 8100) of Title 1. If the owner does not provide or maintain the security within 10 days after notice demanding security is given, the direct contractor may suspend work until the owner provides or maintains the security.