The Registrar shall cancel the registration of an international trust—
(a) upon the written request of all the trustees for the international trust certified as such by the registered trustee named in the Register;
(b) if the registered trustee certifies that the international trust has ceased to exist;
(c) if the Registrar is satisfied that a certificate of registration in respect of the international trust has been obtained by, or on account of, any fraud or mistake;
(d) in the event that the Registrar has not, within 6 months of the prescribed date, received the prescribed annual fee.