Cal. Business and Professions Code § 7013.5

In all application, citation, or disciplinary proceedings pursuant to this chapter and 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, the testimony of a witness given in any contested civil or criminal action or special proceeding, in any state or before any governmental body or agency, to which the licensee or person complained against is a party, or in whose behalf the action or proceeding is prosecuted or defended, may be received in evidence, so far as relevant and material to the issues in the proceedings, by means of a duly authenticated transcript of that testimony and without proof of the unavailability of the witness; provided that the registrar may order the production of and testimony by that witness, in lieu of or in addition to receiving a transcript of his or her testimony and may decline to receive in evidence the transcript of testimony, in whole or in part, when it appears that the testimony was given under circumstances that did not require or allow an opportunity for full cross-examination.