(a) For purposes of this article, the definitions contained in Chapter 1 (commencing with Section 10000) of Part 1 of Division 4 of the Business and Professions Code apply.
(b) An “agent” is one authorized by law to act in that capacity for that type of property and is licensed as a real estate broker under Chapter 3 (commencing with Section 10130) of Part 1 of Division 4 of the Business and Professions Code, or is a licensee, as defined in Section 18006 of the Health and Safety Code.