(1) If property against which a claim in rem is brought is under arrest or money representing the proceeds of sale of that property is in court, a person who has an interest in that property or money but who is not a defendant to the proceedings may, with the permission of the court, intervene in the proceedings.
(2) An application for permission may be made without notice.
(3) The application must be supported by an affidavit showing the interest of the applicant in the property against which the proceedings are brought or in the money in court.
(4) A person to whom leave is granted under this rule becomes a party to the proceedings.
(5) The court may order that a person to whom it grants leave to intervene in proceedings must, within the period or periods specified in the order, serve on any other party to the proceedings such notice of the intervention and such pleading as is specified.