Cal. Evidence Code § 722 : California Evidence Code — Witnesses — Expert Witnesses — Expert Witnesses Generally — Compensation as relevant to credibility Date: 31 Aug 2016 TEXT PDF Current through the 2016 Legislative Session (a) The fact of the appointment of an expert witness by the court may be revealed to the trier of fact. (b) The compensation and expenses paid or to be paid to an expert witness by the party calling him is a proper subject of inquiry by any adverse party as relevant to the credibility of the witness and the weight of his testimony. Ca. Evid. Code § 722