Procedures in the Case that an Appeal from a Third Person is Dismissed, Etc. The provisions of Article 13, paragraph 3, shall apply mutatis mutandis in a case in which the ruling or decision falls within either of the following subparagraphs. (1) A ruling or decision to reject or dismiss an appeal from a third person regarding a decision to disclose. (2) A ruling or decision altering the disclosure decision, etc. concerned with an appeal to the effect of disclosing administrative documents concerned with a disclosure decision, etc. (Limited to cases in which an intervenor who is a third person has expressed an intention to oppose the disclosure of the administrative documents.). Section 2 Information Disclosure Review Board Article 21 Establishment An Information Disclosure Review Board shall be established within the Prime Minister's Office in order to examine and deliberate appeals in response to references as provided for in Article 18. Article 22 Organization 1. The Information Disclosure Review Board shall be composed of nine members. 2. Members shall serve part-time. However, not more than three members may serve fulltime. Article 23 Members 1. The Prime Minister shall appoint members from among those people of superior judgment who have been approved by both Houses. 2. In the case that a member's term expires or a vacancy occurs, and when the consent of both Houses cannot be obtained due to Diet adjournment or dissolution of the House of Representatives, the Prime Minister may, notwithstanding the preceding paragraph, appoint members from among those holding the qualifications as provided for in the same paragraph. 3. In the case of the preceding paragraph, ex post facto approval by both Houses shall be obtained during the first Diet session following the appointment. In this case, when the ex post facto approval of both Houses cannot be obtained the Prime Minister shall immediately dismiss the member. 4. Members' terms of office shall be three years. However, the term for a member filling a vacancy shall be the remaining portion of the former member's term. 5. Members may be re-appointed. 6. When a member's term expires that member shall continue to discharge his or her duties until a replacement is appointed. 7. When the Prime Minister concludes that a member is not able to carry out his or her duties