# 会社法 / Companies Act — 第五百八十条 (Article 580) This is the Markdown twin of https://japanlaw.org/en/companies-act/art-580. 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: 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: 第五百八十条 (Article 580)（社員の責任） — address `art-580` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/en/companies-act/art-580 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-580 - 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. --- ### 第五百八十条（社員の責任） — (Responsibility of Members) caption: Ministry of Justice translation — Japanese Law Translation Database System art-580 · https://japanlaw.org/en/companies-act/art-580 · https://japanlaw.org/l/417AC0000000086/art-580 **第一項** 社員は、次に掲げる場合には、連帯して、持分会社の債務を弁済する責任を負う。 art-580/par-1 · https://japanlaw.org/en/companies-act/art-580/par-1 · https://japanlaw.org/l/417AC0000000086/art-580/par-1 Members are jointly and severally liable for the performance of obligations of the membership company in the cases set forth below: Ministry of Justice translation — Japanese Law Translation Database System **一** 当該持分会社の財産をもってその債務を完済することができない場合 art-580/par-1/item-1 · https://japanlaw.org/en/companies-act/art-580/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-580/par-1/item-1 if the obligations of relevant membership company cannot be fully performed with the assets of the same; or Ministry of Justice translation — Japanese Law Translation Database System **二** 当該持分会社の財産に対する強制執行がその効を奏しなかった場合（社員が、当該持分会社に弁済をする資力があり、かつ、強制執行が容易であることを証明した場合を除く。） art-580/par-1/item-2 · https://japanlaw.org/en/companies-act/art-580/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-580/par-1/item-2 if judicial enforcement against the assets of relevant membership company has not been successful (except for the cases where the members have proven that relevant membership company has financial resources to pay and that the enforcement can be effected at ease). Ministry of Justice translation — Japanese Law Translation Database System **第二項** 有限責任社員は、その出資の価額（既に持分会社に対し履行した出資の価額を除く。）を限度として、持分会社の債務を弁済する責任を負う。 art-580/par-2 · https://japanlaw.org/en/companies-act/art-580/par-2 · https://japanlaw.org/l/417AC0000000086/art-580/par-2 Members with limited liability are liable for the performance of the obligations of the membership company to the extent of the value of their investment (excluding the value of the contributions already performed to the membership company). Ministry of Justice translation — Japanese Law Translation Database System ## Cited by 3 provisions cite this one. No official source publishes this direction. - 会社法 第六百二十三条第二項（有限責任社員の利益の配当に関する責任） — https://japanlaw.org/en/companies-act/art-623/par-2 · https://japanlaw.org/l/417AC0000000086/art-623/par-2 - 会社法 第六百七十三条第一項 — https://japanlaw.org/en/companies-act/art-673/par-1 · https://japanlaw.org/l/417AC0000000086/art-673/par-1 - 社会保険労務士法 第二十五条の二十五第二項（一般社団法人及び一般財団法人に関する法律及び会社法の準用等） — https://japanlaw.org/en/labor-and-social-security-attorney-act/art-25-25/par-2 · https://japanlaw.org/l/343AC1000000089/art-25-25/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 223 — 会社法 — structure, counts, cross-references and defined terms, computed 2026-09-17