Except as otherwise provided in this chapter, the proceedings required or authorized by subdivision (d) of Section 1780.58 and by Sections 1780.60 and 1780.61 shall be conducted in accordance with the provisions of Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code, and the commissioner shall have all the powers granted therein. Hearings shall be conducted by administrative law judges chosen under Section 11502 of the Government Code or appointed by the commissioner.