# 労働基準法 / Labor Standards Act — 第百二十一条 (Article 121) This is the Markdown twin of https://japanlaw.org/en/labor-standards-act/art-121. 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: 労働基準法 (Labor Standards Act), 昭和二十二年法律第四十九号 - English title "Labor Standards 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: 第百二十一条 (Article 121) — address `art-121` - Text in force since: 2026-07-17 - URL (the page that opens at this provision): https://japanlaw.org/en/labor-standards-act/art-121 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/322AC0000000049/art-121 - 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. --- ### 第百二十一条 art-121 · https://japanlaw.org/en/labor-standards-act/art-121 · https://japanlaw.org/l/322AC0000000049/art-121 **第一項** この法律の違反行為をした者が、当該事業の労働者に関する事項について、事業主のために行為した代理人、使用人その他の従業者である場合においては、事業主に対しても各本条の罰金刑を科する。ただし、事業主（事業主が法人である場合においてはその代表者、事業主が営業に関し成年者と同一の行為能力を有しない未成年者又は成年被後見人である場合においてはその法定代理人（法定代理人が法人であるときは、その代表者）を事業主とする。次項において同じ。）が違反の防止に必要な措置をした場合においては、この限りでない。 art-121/par-1 · https://japanlaw.org/en/labor-standards-act/art-121/par-1 · https://japanlaw.org/l/322AC0000000049/art-121/par-1 If a person who violates this Act is an agent, employee, or other staff member who was acting on behalf of the person in control of the business in connection with a matter concerning a worker at that business, the person in control of the business is also subject to the fine referred to in the relevant Article; provided, however, that this does not apply if the person in control of the business has taken the necessary measures to prevent that violation (if the person in control of the business is a corporation, their representative is deemed to be the person in control of the business; and if the person in control of the business is a minor or an adult ward without the same legal capacity to act as an adult in connection with that business, their statutory representative is deemed to be the person in control of the business (if the statutory representative is a corporation, their representative); the same applies below in this Article). Ministry of Justice translation — Japanese Law Translation Database System **第二項** 事業主が違反の計画を知りその防止に必要な措置を講じなかつた場合、違反行為を知り、その是正に必要な措置を講じなかつた場合又は違反を教唆した場合においては、事業主も行為者として罰する。 art-121/par-2 · https://japanlaw.org/en/labor-standards-act/art-121/par-2 · https://japanlaw.org/l/322AC0000000049/art-121/par-2 If the person in control of the business learns of a planned violation but does not take any necessary measures to prevent it, knows of a violation but does not take any necessary measures to rectify it, or instigates that violation, the person in control of the business is also punished as a violator. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-121/par-1: 次項 → 労働基準法 第百二十一条第二項 (Article 121, paragraph (2)), art-121/par-2 — https://japanlaw.org/en/labor-standards-act/art-121/par-2 · https://japanlaw.org/l/322AC0000000049/art-121/par-2 ## Cited by 6 provisions cite this one. No official source publishes this direction. - 出入国管理及び難民認定法施行令 第五条第一項第一号（法第十九条の二十六第一項第二号の出入国又は労働に関する法律の規定であって政令で定めるもの） — https://japanlaw.org/en/immigration-control-act-enforcement-order/art-5/par-1/item-1 · https://japanlaw.org/l/410CO0000000178/art-5/par-1/item-1 - 出入国管理及び難民認定法施行令 第五条第一項第十四号（法第十九条の二十六第一項第二号の出入国又は労働に関する法律の規定であって政令で定めるもの） — https://japanlaw.org/en/immigration-control-act-enforcement-order/art-5/par-1/item-14 · https://japanlaw.org/l/410CO0000000178/art-5/par-1/item-14 - 労働基準法 第百十六条第一項（適用除外） — https://japanlaw.org/en/labor-standards-act/art-116/par-1 · https://japanlaw.org/l/322AC0000000049/art-116/par-1 - 労働基準法 第百二十一条第一項 — https://japanlaw.org/en/labor-standards-act/art-121/par-1 · https://japanlaw.org/l/322AC0000000049/art-121/par-1 - 労働者派遣事業の適正な運営の確保及び派遣労働者の保護等に関する法律 第四十四条第四項（労働基準法の適用に関する特例） — https://japanlaw.org/en/worker-dispatch-act/art-44/par-4 · https://japanlaw.org/l/360AC0000000088/art-44/par-4 - 労働者派遣事業の適正な運営の確保及び派遣労働者の保護等に関する法律 第四十四条第五項（労働基準法の適用に関する特例） — https://japanlaw.org/en/worker-dispatch-act/art-44/par-5 · https://japanlaw.org/l/360AC0000000088/art-44/par-5 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 労働基準法 — the text in force from 2026-07-17 (https://laws.e-gov.go.jp/law/322AC0000000049/20260717_508AC0000000060), retrieved 2026-09-27 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Labor Standards Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4913/tb), retrieved 2026-09-27 - This site's parser, version 224 — 労働基準法 — structure, counts, cross-references and defined terms, computed 2026-09-27