(1) The reasonable expenses incurred by any person in appearing to give evidence at the trial of a petition, if allowed to such person by order of the judge, shall be payable in the first instance by the party who summonses or calls him or her and the amount thereof shall be ascertained and certified by the Registrar. Such expenses may be included in the costs of the petition and shall be paid by the party directed to pay those costs.
(2) The expenses of a witness called and examined by the judge shall be deemed to be costs of the petition and shall be paid as directed by the order of the judge.