# 商法 / Commercial Code — 第三章 (Part 2, Chapter 3) This is the Markdown twin of https://japanlaw.org/en/commercial-code/pt-2/ch-3. 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: 第三章 (Part 2, Chapter 3) — address `pt-2/ch-3` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/commercial-code/pt-2/ch-3 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/132AC0000000048/pt-2/ch-3 - 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. --- ## 第三章　交互計算 — Chapter III Open Accounts heading: Ministry of Justice translation — Japanese Law Translation Database System pt-2/ch-3 · https://japanlaw.org/en/commercial-code/pt-2/ch-3 · https://japanlaw.org/l/132AC0000000048/pt-2/ch-3 ### 第五百二十九条（交互計算） — (Open Accounts) caption: Ministry of Justice translation — Japanese Law Translation Database System art-529 · https://japanlaw.org/en/commercial-code/art-529 · https://japanlaw.org/l/132AC0000000048/art-529 **第一項** 交互計算は、商人間又は商人と商人でない者との間で平常取引をする場合において、一定の期間内の取引から生ずる債権及び債務の総額について相殺をし、その残額の支払をすることを約することによって、その効力を生ずる。 art-529/par-1 · https://japanlaw.org/en/commercial-code/art-529/par-1 · https://japanlaw.org/l/132AC0000000048/art-529/par-1 When merchants, or a merchant and a person that is not a merchant, have regular dealings, an open account becomes effective by virtue of their agreeing to set off the total amounts of claims and obligations arising from their dealings during a fixed period of time and to pay the balance. Ministry of Justice translation — Japanese Law Translation Database System ### 第五百三十条（商業証券に係る債権債務に関する特則） — (Special Provisions on Claims and Obligations Arising from Commercial Instruments) caption: Ministry of Justice translation — Japanese Law Translation Database System art-530 · https://japanlaw.org/en/commercial-code/art-530 · https://japanlaw.org/l/132AC0000000048/art-530 **第一項** 手形その他の商業証券から生じた債権及び債務を交互計算に組み入れた場合において、その商業証券の債務者が弁済をしないときは、当事者は、その債務に関する項目を交互計算から除外することができる。 art-530/par-1 · https://japanlaw.org/en/commercial-code/art-530/par-1 · https://japanlaw.org/l/132AC0000000048/art-530/par-1 If claims and obligations arising from bills and notes and other commercial instruments are included in an open account, and the obligor of a commercial instrument does not perform its obligation, the parties may exclude the item that concerns that obligation from the open account. Ministry of Justice translation — Japanese Law Translation Database System ### 第五百三十一条（交互計算の期間） — (Open Account Terms) caption: Ministry of Justice translation — Japanese Law Translation Database System art-531 · https://japanlaw.org/en/commercial-code/art-531 · https://japanlaw.org/l/132AC0000000048/art-531 **第一項** 当事者が相殺をすべき期間を定めなかったときは、その期間は、六箇月とする。 art-531/par-1 · https://japanlaw.org/en/commercial-code/art-531/par-1 · https://japanlaw.org/l/132AC0000000048/art-531/par-1 If the parties do not specify a term during which a set-off must be made, the term is six months. Ministry of Justice translation — Japanese Law Translation Database System ### 第五百三十二条（交互計算の承認） — (Acknowledgment of Open Accounts) caption: Ministry of Justice translation — Japanese Law Translation Database System art-532 · https://japanlaw.org/en/commercial-code/art-532 · https://japanlaw.org/l/132AC0000000048/art-532 **第一項** 当事者は、債権及び債務の各項目を記載した計算書の承認をしたときは、当該各項目について異議を述べることができない。ただし、当該計算書の記載に錯誤又は脱漏があったときは、この限りでない。 art-532/par-1 · https://japanlaw.org/en/commercial-code/art-532/par-1 · https://japanlaw.org/l/132AC0000000048/art-532/par-1 Once a party acknowledges an account statement showing each of the items under claims and obligations, it may not object to those items; provided, however, that this does not apply if an entry in the account statement contained a mistake or omission. Ministry of Justice translation — Japanese Law Translation Database System ### 第五百三十三条（残額についての利息請求権等） — (Claim to Interest on Balances) caption: Ministry of Justice translation — Japanese Law Translation Database System art-533 · https://japanlaw.org/en/commercial-code/art-533 · https://japanlaw.org/l/132AC0000000048/art-533 **第一項** 相殺によって生じた残額については、債権者は、計算の閉鎖の日以後の法定利息を請求することができる。 art-533/par-1 · https://japanlaw.org/en/commercial-code/art-533/par-1 · https://japanlaw.org/l/132AC0000000048/art-533/par-1 An obligee may claim statutory interest on the balance after set-off beginning on the date of the closing of the account. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の規定は、当該相殺に係る債権及び債務の各項目を交互計算に組み入れた日からこれに利息を付することを妨げない。 art-533/par-2 · https://japanlaw.org/en/commercial-code/art-533/par-2 · https://japanlaw.org/l/132AC0000000048/art-533/par-2 The provisions of the preceding paragraph do not preclude the accrual of interest from the day on which each of the items under the claims and obligations subject to the set-off were included in the open account. Ministry of Justice translation — Japanese Law Translation Database System ### 第五百三十四条（交互計算の解除） — (Cancellation of Open Accounts) caption: Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "(Termination of Open Accounts)" — https://www.japaneselawtranslation.go.jp/en/laws/view/4293/tb art-534 · https://japanlaw.org/en/commercial-code/art-534 · https://japanlaw.org/l/132AC0000000048/art-534 **第一項** 各当事者は、いつでも交互計算の解除をすることができる。この場合において、交互計算の解除をしたときは、直ちに、計算を閉鎖して、残額の支払を請求することができる。 art-534/par-1 · https://japanlaw.org/en/commercial-code/art-534/par-1 · https://japanlaw.org/l/132AC0000000048/art-534/par-1 Either of the parties to an open account may cancel the account at any time. In such a case, the party cancelling the open account may immediately close the account and demand payment of the balance. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "Either of the parties to an open account may terminate the account at any time. In such a case, the party terminating the open account may immediately close the account and demand payment of the balance." — https://www.japaneselawtranslation.go.jp/en/laws/view/4293/tb --- ## Cites - art-533/par-2: 前項 → 商法 第五百三十三条第一項 (Article 533, paragraph (1)), art-533/par-1 — https://japanlaw.org/en/commercial-code/art-533/par-1 · https://japanlaw.org/l/132AC0000000048/art-533/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 534 — 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 (商法), Article 534, paragraph (1) — 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