(1) The information commissioner may decide not to deal with, or not to further deal with, all or part of an external review application if—
(a) the commissioner is satisfied the application, or the part of the application, is frivolous, vexatious, misconceived or lacking substance; or
(b) the applicant for external review fails to comply with a direction given by the commissioner; or
(c) the commissioner considers the applicant for external review has failed to cooperate in progressing the external review application, or the part of it, without reasonable excuse; or
(d) the commissioner considers the address the applicant for external review stated in the application is no longer an address at which the applicant is contactable and the applicant has not, within a reasonable time, advised the commissioner of a new address of the applicant to which notices may be sent under this Act.
(2) If the commissioner decides not to deal with, or not to further deal with, all or part of an external review application, the commissioner must, as soon as practicable, inform each of the following persons in writing of the decision and of the reasons for the decision—
(a) the applicant for external review, unless subsection (1)(d) applies;
(b) any other person informed by the commissioner of the proposed external review.