Cal. Bus. & Prof. Code § 10232.45
(a) Any broker subject to the provisions of Section 10232.3 or Article 6 (commencing with Section 10237) shall make reasonable efforts to ensure all of the following with respect to the offer or sale of notes or interest in notes to be secured by a lien on real property or a business opportunity:
(d) A broker that complies with all of the following shall be deemed to have complied with subdivision (a):