63.5.—(1) An application to which rule 63.4 applies shall be made by petition.
(2) The petition shall set out the question on which the direction of the court is sought and may include, in an appendix, any relevant documents.
(3) The court may, in any order made under rule 14.5 (first order in petitions) or in any subsequent order, include a requirement to serve the petition on creditors, beneficiaries or other persons interested in the subject-matter of the petition.