# 商法 / Commercial Code — 第五百二十六条 (Article 526) This is the Markdown twin of https://japanlaw.org/en/commercial-code/art-526. 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: 第五百二十六条 (Article 526)（買主による目的物の検査及び通知） — address `art-526` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/commercial-code/art-526 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/132AC0000000048/art-526 - 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. --- ### 第五百二十六条（買主による目的物の検査及び通知） — (Inspection of Property by Buyer; Notice of Defects) caption: Ministry of Justice translation — Japanese Law Translation Database System art-526 · https://japanlaw.org/en/commercial-code/art-526 · https://japanlaw.org/l/132AC0000000048/art-526 **第一項** 商人間の売買において、買主は、その売買の目的物を受領したときは、遅滞なく、その物を検査しなければならない。 art-526/par-1 · https://japanlaw.org/en/commercial-code/art-526/par-1 · https://japanlaw.org/l/132AC0000000048/art-526/par-1 In a sales transaction between merchants, upon receiving the object of the sales transaction the buyer must inspect it without delay. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項に規定する場合において、買主は、同項の規定による検査により売買の目的物が種類、品質又は数量に関して契約の内容に適合しないことを発見したときは、直ちに売主に対してその旨の通知を発しなければ、その不適合を理由とする履行の追完の請求、代金の減額の請求、損害賠償の請求及び契約の解除をすることができない。売買の目的物が種類又は品質に関して契約の内容に適合しないことを直ちに発見することができない場合において、買主が六箇月以内にその不適合を発見したときも、同様とする。 art-526/par-2 · https://japanlaw.org/en/commercial-code/art-526/par-2 · https://japanlaw.org/l/132AC0000000048/art-526/par-2 In a case prescribed in the preceding paragraph, if the buyer, as a result of the inspection under the provisions of that paragraph, discovers that the object of the sales transaction does not conform to the terms and conditions of the contract in terms of its type, quality, or quantity, the buyer may not use that nonconformity as grounds to demand a cure of the breach, demand a reduction of the price, file a claim for damages, or cancel the contract, unless the buyer immediately issues notice of the nonconformity to the seller. The same applies if it is impossible to immediately discover that the object of a sales transaction does not conform to the terms and conditions of the contract in terms of its type or quality, when the buyer discovers that nonconformity within six months. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "In a case prescribed in the preceding paragraph, if the buyer, as a result of the inspection under the provisions of that paragraph, discovers that the object of the sales transaction does not conform to the terms and conditions of the contract in terms of its type, quality, or quantity, the buyer may not use that nonconformity as grounds to demand a cure of the breach, demand a reduction of the price, file a claim for damages, or cancel the contract, unless the buyer immediately issues notice of the nonconformity to the seller. The same applies if it is impossible to immediately discover that the object of a sales transaction does not conform to the terms and conditions of the contract with in terms of its type or quality, when the buyer discovers that nonconformity within six months." — https://www.japaneselawtranslation.go.jp/en/laws/view/4293/tb **第三項** 前項の規定は、売買の目的物が種類、品質又は数量に関して契約の内容に適合しないことにつき売主が悪意であった場合には、適用しない。 art-526/par-3 · https://japanlaw.org/en/commercial-code/art-526/par-3 · https://japanlaw.org/l/132AC0000000048/art-526/par-3 The provisions of the preceding paragraph do not apply if the seller knows that the object of the sales transaction does not conform to the terms and conditions of the contract in terms of its type, quality, or quantity. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-526/par-2: 前項 → 商法 第五百二十六条第一項 (Article 526, paragraph (1)), art-526/par-1 — https://japanlaw.org/en/commercial-code/art-526/par-1 · https://japanlaw.org/l/132AC0000000048/art-526/par-1 - art-526/par-3: 前項 → 商法 第五百二十六条第二項 (Article 526, paragraph (2)), art-526/par-2 — https://japanlaw.org/en/commercial-code/art-526/par-2 · https://japanlaw.org/l/132AC0000000048/art-526/par-2 ## Cited by 5 provisions cite this one. No official source publishes this direction. - 会社法 第十八条第一項（通知を受ける権限） — https://japanlaw.org/en/companies-act/art-18/par-1 · https://japanlaw.org/l/417AC0000000086/art-18/par-1 - 商法 第二十九条第一項（通知を受ける権限） — https://japanlaw.org/en/commercial-code/art-29/par-1 · https://japanlaw.org/l/132AC0000000048/art-29/par-1 - 商法 第五百二十六条第二項（買主による目的物の検査及び通知） — https://japanlaw.org/en/commercial-code/art-526/par-2 · https://japanlaw.org/l/132AC0000000048/art-526/par-2 - 商法 第五百二十六条第三項（買主による目的物の検査及び通知） — https://japanlaw.org/en/commercial-code/art-526/par-3 · https://japanlaw.org/l/132AC0000000048/art-526/par-3 - 商法 第五百二十七条第一項（買主による目的物の保管及び供託） — https://japanlaw.org/en/commercial-code/art-527/par-1 · https://japanlaw.org/l/132AC0000000048/art-527/par-1 --- ## Sources - claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-11-05 - 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 (商法), Article 526, paragraph (2) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/4293/tb), 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