# 会社法 / Companies Act — 第三十条 (Article 30) - Law: 会社法 (Companies Act), 平成十七年法律第八十六号 - English title "Companies Act": 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: 第三十条 (Article 30)（定款の認証） — address `art-30` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/ja/companies-act/art-30 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-30 - 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. --- ### 第三十条（定款の認証） — (Certification of Articles of Incorporation) caption: Ministry of Justice translation — Japanese Law Translation Database System art-30 · https://japanlaw.org/ja/companies-act/art-30 · https://japanlaw.org/l/417AC0000000086/art-30 **第一項** 第二十六条第一項の定款は、公証人の認証を受けなければ、その効力を生じない。 art-30/par-1 · https://japanlaw.org/ja/companies-act/art-30/par-1 · https://japanlaw.org/l/417AC0000000086/art-30/par-1 Articles of incorporation referred to in Article 26, paragraph (1) do not become effective unless they are certified by a notary public. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の公証人の認証を受けた定款は、株式会社の成立前は、第三十三条第七項若しくは第九項又は第三十七条第一項若しくは第二項の規定による場合を除き、これを変更することができない。 art-30/par-2 · https://japanlaw.org/ja/companies-act/art-30/par-2 · https://japanlaw.org/l/417AC0000000086/art-30/par-2 Articles of incorporation that are certified by a notary public pursuant to the preceding paragraph may not be amended before the formation of the stock company except when they are amended under the provisions of Article 33, paragraph (7) or (9), or Article 37, paragraph (1) or (2). Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-30/par-1: 第二十六条第一項 → 会社法 第二十六条第一項 (Article 26, paragraph (1)), art-26/par-1 — https://japanlaw.org/ja/companies-act/art-26/par-1 · https://japanlaw.org/l/417AC0000000086/art-26/par-1 - art-30/par-2: 前項 → 会社法 第三十条第一項 (Article 30, paragraph (1)), art-30/par-1 — https://japanlaw.org/ja/companies-act/art-30/par-1 · https://japanlaw.org/l/417AC0000000086/art-30/par-1 - art-30/par-2: 第三十三条第七項 → 会社法 第三十三条第七項 (Article 33, paragraph (7)), art-33/par-7 — https://japanlaw.org/ja/companies-act/art-33/par-7 · https://japanlaw.org/l/417AC0000000086/art-33/par-7 - art-30/par-2: 第九項 → 会社法 第三十三条第九項 (Article 33, paragraph (9)), art-33/par-9 — https://japanlaw.org/ja/companies-act/art-33/par-9 · https://japanlaw.org/l/417AC0000000086/art-33/par-9 - art-30/par-2: 第三十七条第一項 → 会社法 第三十七条第一項 (Article 37, paragraph (1)), art-37/par-1 — https://japanlaw.org/ja/companies-act/art-37/par-1 · https://japanlaw.org/l/417AC0000000086/art-37/par-1 - art-30/par-2: 第二項 → 会社法 第三十七条第二項 (Article 37, paragraph (2)), art-37/par-2 — https://japanlaw.org/ja/companies-act/art-37/par-2 · https://japanlaw.org/l/417AC0000000086/art-37/par-2 ## Cited by 4 provisions cite this one. No official source publishes this direction. - 会社法 第三十条第二項（定款の認証） — https://japanlaw.org/ja/companies-act/art-30/par-2 · https://japanlaw.org/l/417AC0000000086/art-30/par-2 - 会社法 第三十三条第一項（定款の記載又は記録事項に関する検査役の選任） — https://japanlaw.org/ja/companies-act/art-33/par-1 · https://japanlaw.org/l/417AC0000000086/art-33/par-1 - 会社法 第九十六条第一項（創立総会における定款の変更） — https://japanlaw.org/ja/companies-act/art-96/par-1 · https://japanlaw.org/l/417AC0000000086/art-96/par-1 - 社会保険労務士法 第二十五条の十一第二項（設立の手続） — https://japanlaw.org/ja/labor-and-social-security-attorney-act/art-25-11/par-2 · https://japanlaw.org/l/343AC1000000089/art-25-11/par-2 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 会社法 — the text in force from 2026-08-12 (https://laws.e-gov.go.jp/law/417AC0000000086/20260812_508AC0000000064), retrieved 2026-09-17 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Companies Act — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4481/tb), retrieved 2026-09-17 - This site's parser, version 211 — 会社法 — structure, counts, cross-references and defined terms, computed 2026-09-17