# 商法 / Commercial Code — 第八百二十三条 (Article 823) This is the Markdown twin of https://japanlaw.org/ja/commercial-code/art-823. 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: 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: 第八百二十三条 (Article 823)（著しい危険の増加） — address `art-823` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/commercial-code/art-823 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/132AC0000000048/art-823 - 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. --- ### 第八百二十三条（著しい危険の増加） — (Significant Increase of Risk) caption: Ministry of Justice translation — Japanese Law Translation Database System art-823 · https://japanlaw.org/ja/commercial-code/art-823 · https://japanlaw.org/l/132AC0000000048/art-823 **第一項** 次に掲げる場合には、保険者は、その事実が生じた時以後に発生した事故によって生じた損害を塡補する責任を負わない。ただし、当該事実が当該事故の発生に影響を及ぼさなかったとき、又は保険契約者若しくは被保険者の責めに帰することができない事由によるものであるときは、この限りでない。 art-823/par-1 · https://japanlaw.org/ja/commercial-code/art-823/par-1 · https://japanlaw.org/l/132AC0000000048/art-823/par-1 In the following cases, an insurer is not liable to compensate for loss or damage arising from any accident that occurs after the relevant fact arises; provided, however, that this does not apply if the fact has no influence on the occurrence of the accident or the fact is due to reasons not attributable to the policyholder or the insured: Ministry of Justice translation — Japanese Law Translation Database System **一** 被保険者が発航又は航海の継続を怠ったとき。 art-823/par-1/item-1 · https://japanlaw.org/ja/commercial-code/art-823/par-1/item-1 · https://japanlaw.org/l/132AC0000000048/art-823/par-1/item-1 the insured has neglected to cause the ship to depart or continue the voyage; Ministry of Justice translation — Japanese Law Translation Database System **二** 被保険者が航路を変更したとき。 art-823/par-1/item-2 · https://japanlaw.org/ja/commercial-code/art-823/par-1/item-2 · https://japanlaw.org/l/132AC0000000048/art-823/par-1/item-2 the insured has changed the route; or Ministry of Justice translation — Japanese Law Translation Database System **三** 前二号に掲げるもののほか、保険契約者又は被保険者が危険を著しく増加させたとき。 art-823/par-1/item-3 · https://japanlaw.org/ja/commercial-code/art-823/par-1/item-3 · https://japanlaw.org/l/132AC0000000048/art-823/par-1/item-3 beyond what is set forth in the preceding two items, the policyholder or the insured has significantly increased the risk. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-823/par-1/item-3: 前二号 → 商法 第八百二十三条第一項第一号 (Article 823, paragraph (1), item (i)), art-823/par-1/item-1 — https://japanlaw.org/ja/commercial-code/art-823/par-1/item-1 · https://japanlaw.org/l/132AC0000000048/art-823/par-1/item-1 - art-823/par-1/item-3: 前二号 → 商法 第八百二十三条第一項第二号 (Article 823, paragraph (1), item (ii)), art-823/par-1/item-2 — https://japanlaw.org/ja/commercial-code/art-823/par-1/item-2 · https://japanlaw.org/l/132AC0000000048/art-823/par-1/item-2 ## Cited by 1 provision cites this one. No official source publishes this direction. - 商法 第八百二十三条第一項第三号（著しい危険の増加） — https://japanlaw.org/ja/commercial-code/art-823/par-1/item-3 · https://japanlaw.org/l/132AC0000000048/art-823/par-1/item-3 --- ## 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