(a) In all criminal actions and juvenile court proceedings, the compensation fixed under Section 730 shall be a charge against the county in which such action or proceeding is pending and shall be paid out of the treasury of such county on order of the court.
(b) In any county in which the board of supervisors so provides, the compensation fixed under Section 730 for medical experts in civil actions in such county shall be a charge against and paid out of the treasury of such county on order of the court.
(c) Except as otherwise provided in this section, in all civil actions, the compensation fixed under Section 730 shall, in the first instance, be apportioned and charged to the several parties in such proportion as the court may determine and may thereafter be taxed and allowed in like manner as other costs.