Cal. Bus. & Prof. Code § 19215.1

The acceptance by a nonresident licensee of any of the rights and privileges conferred upon him or her by this chapter, as evidenced by his or her engaging within this state, either personally or through an agent or employee, in a business subject to license under this chapter, is equivalent to the appointment by the licensee of the director as his or her true and lawful attorney upon whom may be served all lawful process in any disciplinary proceeding conducted against him or her under this chapter.