# 日本国憲法 / The Constitution of Japan — 第百条 (Article 100) This is the Markdown twin of https://japanlaw.org/en/constitution/art-100. 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: 第百条 (Article 100) — address `art-100` - Text in force since: 1947-05-03 - URL (the page that opens at this provision): https://japanlaw.org/en/constitution/art-100 - 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. --- ### 第百条 art-100 · https://japanlaw.org/en/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/en/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/en/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 --- ## 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/en/constitution/art-100/par-1 ## Cited by 1 provision cites this one. No official source publishes this direction. - 日本国憲法 第百条第二項 — https://japanlaw.org/en/constitution/art-100/par-2 --- ## 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