The third party may not be required to appear before a court outside the county of the third party’s residence unless the distance is less than 150 miles. (CCP 491.150(b))
Mileage fees at the rate of $0.20 a mile to and from the third party’s residence must be tendered at the time of service. The fees shall be in the same amount generally provided for witnesses when legally required to attend civil proceedings in the court where the examination proceeding is to be conducted. (GC 68093)