Applicants whose cases are to be dealt with under this procedure are to be notified at the start of the investigation that their cases are being dealt with in this way, and if following investigation the commissioner makes a negative recommendation and the application has one of the characteristics set out in the new section 13(6), any appeal against the recommendation must be made within four working days from the recommendation as against ten working days for other such cases, and the appeal will be dealt with on the papers without an oral hearing.