(1) If, at the commencement of proceedings for the revocation of a grant of probate or letters of administration, the probate or letters of administration, as the case may be, have not been lodged in court, the —
(a) claimant must lodge the probate or letters of administration at the court within 7 days after the issue of the claim where the proceedings are commenced by a person to whom the grant was made; or
(b) applicable defendant must lodge the probate or letters of administration at the court within 14 days after the service of the claim form, if in the possession or under the control of that defendant.
(2) Any person who fails to comply with paragraph (1) may, on the application of any party to the proceedings, be ordered by the court to lodge the probate or letters of administration within a specified time.
(3) If an order is made under paragraph (2), a person against whom such an order is made may not take any step in the proceedings without the permission of the court until that person has complied with the order.