(1) If the Registrar is satisfied that an applicant or appellant has not complied with the requirements of this Order, these Rules, any applicable practice direction or a Registrar's direction, or otherwise determines that it is appropriate to do so, the Registrar may—
(a) vacate any hearing date set for an application, including for leave to appeal, or an appeal; or
(b) refer an application, including for leave to appeal, or an appeal to a Judge of Appeal or the Court of Appeal constituted by two or more Judges of Appeal for the applicant or appellant to show cause why the application or appeal should not be dismissed pursuant to Rule 64.46.
(2) Paragraph (1) does not limit any other powers of the Registrar.