# 日本国憲法 / The Constitution of Japan — 第十一章 (Chapter 11) This is the Markdown twin of https://japanlaw.org/ja/constitution/ch-11. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp. - Law: 日本国憲法 (The Constitution of Japan), 昭和二十一年憲法 - English title "The Constitution of Japan": Ministry of Justice translation - Kind: Constitution — 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: 第十一章 (Chapter 11) — address `ch-11` - Text in force since: 1947-05-03 - URL (the page that opens at this provision): https://japanlaw.org/ja/constitution/ch-11 - e-Gov law ID: 321CONSTITUTION — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page. - Every provision below carries its address and its URL 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. --- ## 第十一章　補則 — CHAPTER XI. SUPPLEMENTARY PROVISIONS heading: Ministry of Justice translation — Japanese Law Translation Database System ch-11 · https://japanlaw.org/ja/constitution/ch-11 ### 第百条 art-100 · https://japanlaw.org/ja/constitution/art-100 **第一項** この憲法は、公布の日から起算して六箇月を経過した日から、これを施行する。 art-100/par-1 · https://japanlaw.org/ja/constitution/art-100/par-1 This Constitution shall be enforced as from the day when the period of six months will have elapsed counting from the day of its promulgation. Ministry of Justice translation — Japanese Law Translation Database System **第二項** この憲法を施行するために必要な法律の制定、参議院議員の選挙及び国会召集の手続並びにこの憲法を施行するために必要な準備手続は、前項の期日よりも前に、これを行ふことができる。 art-100/par-2 · https://japanlaw.org/ja/constitution/art-100/par-2 The enactment of laws necessary for the enforcement of this Constitution, the election of members of the House of Councillors and the procedure for the convocation of the Diet and other preparatory procedures necessary for the enforcement of this Constitution may be executed before the day prescribed in the preceding paragraph. Ministry of Justice translation — Japanese Law Translation Database System ### 第百一条 art-101 · https://japanlaw.org/ja/constitution/art-101 **第一項** この憲法施行の際、参議院がまだ成立してゐないときは、その成立するまでの間、衆議院は、国会としての権限を行ふ。 art-101/par-1 · https://japanlaw.org/ja/constitution/art-101/par-1 If the House of Councillors is not constituted before the effective date of this Constitution, the House of Representatives shall function as the Diet until such time as the House of Councillors shall be constituted. Ministry of Justice translation — Japanese Law Translation Database System ### 第百二条 art-102 · https://japanlaw.org/ja/constitution/art-102 **第一項** この憲法による第一期の参議院議員のうち、その半数の者の任期は、これを三年とする。その議員は、法律の定めるところにより、これを定める。 art-102/par-1 · https://japanlaw.org/ja/constitution/art-102/par-1 The term of office for half the members of the House of Councillors serving in the first term under this Constitution shall be three years. Members falling under this category shall be determined in accordance with law. Ministry of Justice translation — Japanese Law Translation Database System ### 第百三条 art-103 · https://japanlaw.org/ja/constitution/art-103 **第一項** この憲法施行の際現に在職する国務大臣、衆議院議員及び裁判官並びにその他の公務員で、その地位に相応する地位がこの憲法で認められてゐる者は、法律で特別の定をした場合を除いては、この憲法施行のため、当然にはその地位を失ふことはない。但し、この憲法によつて、後任者が選挙又は任命されたときは、当然その地位を失ふ。 art-103/par-1 · https://japanlaw.org/ja/constitution/art-103/par-1 The Ministers of State, members of the House of Representatives, and judges in office on the effective date of this Constitution, and all other public officials, who occupy positions corresponding to such positions as are recognized by this Constitution shall not forfeit their positions automatically on account of the enforcement of this Constitution unless otherwise specified by law. When, however, successors are elected or appointed under the provisions of this Constitution they shall forfeit their positions as a matter of course. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-100/par-2: 前項 → 日本国憲法 第百条第一項 (Article 100, paragraph (1)), art-100/par-1 — https://japanlaw.org/ja/constitution/art-100/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 日本国憲法 — the text in force from 1947-05-03 (https://laws.e-gov.go.jp/law/321CONSTITUTION/19470503_000000000000000), retrieved 2026-09-16 - Japanese Law Translation Database System, Ministry of Justice (法務省) — The Constitution of Japan — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/174/tb), retrieved 2026-09-16 - This site's parser, version 211 — 日本国憲法 — structure, counts, cross-references and defined terms, computed 2026-09-16