CA Prob Code Section 18106

(a)

A document establishing the fact of change of trustee recorded pursuant to this chapter is subject to all statutory requirements for recorded documents.

(b)

The county recorder shall index a document establishing the fact of change of a trustee recorded pursuant to this section in the index of grantors and grantees. The index entry shall be for the grantor, and for the purpose of this index, the person who has been succeeded as trustee shall be deemed to be the grantor. The county recorder shall impose any fee prescribed by law for indexing that document in an amount sufficient to cover all costs incurred by the county in indexing the document.