(1) The costs of a mediation or neutral evaluation are payable—
(a) by the parties to the proceeding, in the proportions they agree among themselves; or
(b) if the court makes an order about the payment of the costs—by 1 or more of the parties, in the way stated in the order.
(2) In this rule:
"costs" includes costs incurred by the court or a party or someone else.