Cal. Prob. Code § 18108

Any person whose interest is, or may be, affected by the recordation of an affidavit of change of trustee pursuant to this chapter may require that the successor trustee provide copies of those excerpts from the original trust documents, any amendments thereto, and any other documents which evidence or pertain to the succession of the successor trustee or trustees. Nothing in this section is intended to require or imply an obligation to provide the dispositive provisions of the trust or the entire trust and any amendments thereto.