If an application is determined not to be complete, the applicant may appeal the decision to the EA within fifteen (15) days of the date of notification. Such an appeal must be in writing and specify the grounds for the appeal. A final written determination on the appeal shall be made by the hearing panel or hearing officer designated pursuant to Public Resources Code §§ 44308 or 44309, whichever is applicable, no later than 60 days after the EA's receipt of the applicant's appeal.