①If a request for reinvestigation remains pending even after three months have elapsed from the day following the day on which it was made (or, if the requester was requested to correct a deficiency pursuant to the provisions of Article 81, paragraph (3) (Particulars to Be Stated in a Written Request for Reinvestigation, etc.), the day on which that deficiency was corrected), the reinvestigation authority must, without delay, instruct the requester for reinvestigation in writing that the requester may immediately make a request for review of the disposition to the President of the National Tax Tribunal.

②The provisions of Article 89, paragraph (2) (Appending of Reasons for Dispositions) apply mutatis mutandis to the document for the instruction referred to in the preceding paragraph.