An act to amend Sections 6501, 6534, 6561, 6584, and 6592 of, and to add Article 7 (commencing with Section 6593) to Chapter 6 of Division 3 of, the Business and Professions Code, to amend Section 13401 of the Corporations Code, and to amend Sections 60.1, 1510, 1821, 2250, 2614.7, and 2643.1 of, to add Part 9.5 (commencing with Section 310) to Division 2 of, and to repeal Section 2340 of, the Probate Code, relating to professional fiduciaries.