# 商法 / Commercial Code — 第九条 (Article 9)

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- Law: 商法 (Commercial Code), 明治三十二年法律第四十八号
- English title "Commercial Code": 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)（登記の効力） — address `art-9`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/ja/commercial-code/art-9
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/132AC0000000048/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.

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### 第九条（登記の効力） — (Effect of Registration)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-9 · https://japanlaw.org/ja/commercial-code/art-9 · https://japanlaw.org/l/132AC0000000048/art-9</sup>

  **第一項**  この編の規定により登記すべき事項は、登記の後でなければ、これをもって善意の第三者に対抗することができない。登記の後であっても、第三者が正当な事由によってその登記があることを知らなかったときは、同様とする。
  <sup>art-9/par-1 · https://japanlaw.org/ja/commercial-code/art-9/par-1 · https://japanlaw.org/l/132AC0000000048/art-9/par-1</sup>
  Information that must be registered pursuant to the provisions of this Part may not be asserted against a third party in good faith until after the registration. The same applies after the registration if a third party had a legitimate reason for not knowing that the information was registered.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **第二項**  故意又は過失によって不実の事項を登記した者は、その事項が不実であることをもって善意の第三者に対抗することができない。
  <sup>art-9/par-2 · https://japanlaw.org/ja/commercial-code/art-9/par-2 · https://japanlaw.org/l/132AC0000000048/art-9/par-2</sup>
  A person that registers false information intentionally or through negligence may not assert the falsity of that information against a third party in good faith.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

## Cited by

1 provision cites this one. No official source publishes this direction.

- 商法 第六百九十七条第四項（船舶管理人） — https://japanlaw.org/ja/commercial-code/art-697/par-4 · https://japanlaw.org/l/132AC0000000048/art-697/par-4

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 商法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/132AC0000000048/20260624_508AC0000000046), retrieved 2026-11-05
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Commercial Code — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4293/tb), retrieved 2026-11-05
- This site's parser, version 224 — 商法 — structure, counts, cross-references and defined terms, computed 2026-11-05