# 行政機関の保有する情報の公開に関する法律 / Act on Access to Information Held by Administrative Organs — 第九条 (Article 9) - Law: 行政機関の保有する情報の公開に関する法律 (Act on Access to Information Held by Administrative Organs), 平成十一年法律第四十二号 - English title "Act on Access to Information Held by Administrative Organs": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第九条 (Article 9)（開示請求に対する措置） — address `art-9` - Text in force since: 2026-07-17 - URL (the page that opens at this provision): https://japanlaw.org/ja/information-disclosure-act/art-9 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/411AC0000000042/art-9 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第九条（開示請求に対する措置） — (Measures Concerning Requests for Disclosure) caption: Ministry of Justice translation — Japanese Law Translation Database System art-9 · https://japanlaw.org/ja/information-disclosure-act/art-9 · https://japanlaw.org/l/411AC0000000042/art-9 **第一項** 行政機関の長は、開示請求に係る行政文書の全部又は一部を開示するときは、その旨の決定をし、開示請求者に対し、その旨及び開示の実施に関し政令で定める事項を書面により通知しなければならない。 art-9/par-1 · https://japanlaw.org/ja/information-disclosure-act/art-9/par-1 · https://japanlaw.org/l/411AC0000000042/art-9/par-1 When disclosure is to be made for all or a part of the administrative documents related to a request for disclosure, the head of an administrative organ must make a decision for the disclosure and notify the disclosure requester in writing of that fact and the matters specified by Cabinet Order concerning the implementation of the disclosure. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 行政機関の長は、開示請求に係る行政文書の全部を開示しないとき（前条の規定により開示請求を拒否するとき及び開示請求に係る行政文書を保有していないときを含む。）は、開示をしない旨の決定をし、開示請求者に対し、その旨を書面により通知しなければならない。 art-9/par-2 · https://japanlaw.org/ja/information-disclosure-act/art-9/par-2 · https://japanlaw.org/l/411AC0000000042/art-9/par-2 If the head of an administrative organ decides not to disclose all of the administrative documents related to a request for disclosure (including when refusing a request for disclosure pursuant to the provisions of the preceding Article and when administrative documents related to a request for disclosure are not held), they must make a decision on not making a disclosure and notify the disclosure requester in writing of that fact. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-9/par-2: 前条 → 行政機関の保有する情報の公開に関する法律 第八条 (Article 8), art-8 — https://japanlaw.org/ja/information-disclosure-act/art-8 · https://japanlaw.org/l/411AC0000000042/art-8 ## Cited by 4 provisions cite this one. No official source publishes this direction. - 著作権法 第十八条第三項第一号（公表権） — https://japanlaw.org/ja/copyright-act/art-18/par-3/item-1 · https://japanlaw.org/l/345AC0000000048/art-18/par-3/item-1 - 行政機関の保有する情報の公開に関する法律 第十条第一項（開示決定等の期限） — https://japanlaw.org/ja/information-disclosure-act/art-10/par-1 · https://japanlaw.org/l/411AC0000000042/art-10/par-1 - 行政機関の保有する情報の公開に関する法律 第十二条第三項（事案の移送） — https://japanlaw.org/ja/information-disclosure-act/art-12/par-3 · https://japanlaw.org/l/411AC0000000042/art-12/par-3 - 行政機関の保有する情報の公開に関する法律 第十四条第三項（開示の実施） — https://japanlaw.org/ja/information-disclosure-act/art-14/par-3 · https://japanlaw.org/l/411AC0000000042/art-14/par-3 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 行政機関の保有する情報の公開に関する法律 — the text in force from 2026-07-17 (https://laws.e-gov.go.jp/law/411AC0000000042/20260717_508AC0000000062), retrieved 2026-09-29 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Access to Information Held by Administrative Organs — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4777/tb), retrieved 2026-09-29 - This site's parser, version 211 — 行政機関の保有する情報の公開に関する法律 — structure, counts, cross-references and defined terms, computed 2026-09-29