9. If the applicant fails to comply with regulation 7 or 8, or with any directions given under regulation 6, the determining authority may—
(a)treat the application as withdrawn;
(b)give directions to the applicant to remedy the non-compliance (and, if appropriate, extend the period allowed for making representations); or
(c)waive the non-compliance, if the determining authority is satisfied that it would be unreasonable to require compliance and no-one is likely to be prejudiced by the non-compliance.