California Code of Regulations
Title 2 - Administration
Division 2 - Financial Operations
Chapter 2 - State Controller
Subchapter 2.5 - Rules and Regulations to Administer Reimbursements to Counties for the Cost of Homicide Trials
Article 2 - Costs Eligible for Reimbursement
Section 1021.3 - Witness Fees and Expenses

(a) Where allowed by the Court, subpoenaed witness fees and expenses may be reimbursed at rates or amounts determined pursuant to Penal Code Section 1329. The pertinent subpoena and the court order must be retained for audit examination.

(b) County costs for expert witnesses appointed by the court pursuant to Evidence Code Section 730 may be reimbursable. The court orders appointing such expert witnesses and establishing compensation for same, must be retained for audit examination.