California Code, Insurance Code - INS § 12970.1

In addition to all other fees required for furnishing copies of instruments or documents filed in his office, the commissioner shall require the payment, in lawful money of the United States, of an amount approximately equal to the postage or other delivery charges he must pay for delivery of the copies so furnished if at the request of the person ordering them they are delivered by any more expensive means than ordinary first-class United States mail.