Cal. PROB § 16622

(a) An action against a trust director for breach of trust shall be commenced within the same limitation period as in Section 16460 for an action for breach of trust against a trustee in a like position and under similar circumstances. (b) A report or accounting has the same effect on the limitation period for an action against a trust director for breach of trust that the report or accounting would have under Section 16460 in an action for breach of trust against a trustee in a like position and under similar circumstances.