# 労働契約法 / Labor Contracts Act — 第二章 (Chapter 2) This is the Markdown twin of https://japanlaw.org/ja/labor-contracts-act/ch-2. 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: 労働契約法 (Labor Contracts Act), 平成十九年法律第百二十八号 - English title "Labor Contracts 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: 第二章 (Chapter 2) — address `ch-2` - Text in force since: 2020-04-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/labor-contracts-act/ch-2 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/419AC0000000128/ch-2 - 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. --- ## 第二章　労働契約の成立及び変更 — Chapter II Establishment of and Changes to a Labor Contract heading: Ministry of Justice translation — Japanese Law Translation Database System ch-2 · https://japanlaw.org/ja/labor-contracts-act/ch-2 · https://japanlaw.org/l/419AC0000000128/ch-2 ### 第六条（労働契約の成立） — (Establishment of a Labor Contract) caption: Ministry of Justice translation — Japanese Law Translation Database System art-6 · https://japanlaw.org/ja/labor-contracts-act/art-6 · https://japanlaw.org/l/419AC0000000128/art-6 **第一項** 労働契約は、労働者が使用者に使用されて労働し、使用者がこれに対して賃金を支払うことについて、労働者及び使用者が合意することによって成立する。 art-6/par-1 · https://japanlaw.org/ja/labor-contracts-act/art-6/par-1 · https://japanlaw.org/l/419AC0000000128/art-6/par-1 A labor contract is established by agreement between a Worker and an Employer on the basis that the Worker will work by being employed by the Employer and the Employer will pay wages for such work. Ministry of Justice translation — Japanese Law Translation Database System ### 第七条 art-7 · https://japanlaw.org/ja/labor-contracts-act/art-7 · https://japanlaw.org/l/419AC0000000128/art-7 **第一項** 労働者及び使用者が労働契約を締結する場合において、使用者が合理的な労働条件が定められている就業規則を労働者に周知させていた場合には、労働契約の内容は、その就業規則で定める労働条件によるものとする。ただし、労働契約において、労働者及び使用者が就業規則の内容と異なる労働条件を合意していた部分については、第十二条に該当する場合を除き、この限りでない。 art-7/par-1 · https://japanlaw.org/ja/labor-contracts-act/art-7/par-1 · https://japanlaw.org/l/419AC0000000128/art-7/par-1 If a Worker and an Employer conclude a labor contract, and the Employer has informed the Worker of the rules of employment that provide for reasonable working conditions, the contents of the labor contract are to be based on the working conditions provided by such rules of employment; provided, however, that this does not apply to any portion of the labor contract in which the Worker and the Employer have agreed on working conditions that are different from the contents of the rules of employment, except in cases that fall under Article 12. Ministry of Justice translation — Japanese Law Translation Database System ### 第八条（労働契約の内容の変更） — (Change to the Contents of a Labor Contract) caption: Ministry of Justice translation — Japanese Law Translation Database System art-8 · https://japanlaw.org/ja/labor-contracts-act/art-8 · https://japanlaw.org/l/419AC0000000128/art-8 **第一項** 労働者及び使用者は、その合意により、労働契約の内容である労働条件を変更することができる。 art-8/par-1 · https://japanlaw.org/ja/labor-contracts-act/art-8/par-1 · https://japanlaw.org/l/419AC0000000128/art-8/par-1 A Worker and an Employer may, by agreement, change any working conditions that constitute the contents of a labor contract. Ministry of Justice translation — Japanese Law Translation Database System ### 第九条（就業規則による労働契約の内容の変更） — (Change to the Contents of a Labor Contract Based on Rules of Employment) caption: Ministry of Justice translation — Japanese Law Translation Database System art-9 · https://japanlaw.org/ja/labor-contracts-act/art-9 · https://japanlaw.org/l/419AC0000000128/art-9 **第一項** 使用者は、労働者と合意することなく、就業規則を変更することにより、労働者の不利益に労働契約の内容である労働条件を変更することはできない。ただし、次条の場合は、この限りでない。 art-9/par-1 · https://japanlaw.org/ja/labor-contracts-act/art-9/par-1 · https://japanlaw.org/l/419AC0000000128/art-9/par-1 An Employer may not change any of the working conditions that constitute the contents of a labor contract in a manner disadvantageous to a Worker by changing the rules of employment, unless an agreement to do so has been reached with the Worker; provided, however, that this does not apply to the cases set forth in the following Article. Ministry of Justice translation — Japanese Law Translation Database System ### 第十条 art-10 · https://japanlaw.org/ja/labor-contracts-act/art-10 · https://japanlaw.org/l/419AC0000000128/art-10 **第一項** 使用者が就業規則の変更により労働条件を変更する場合において、変更後の就業規則を労働者に周知させ、かつ、就業規則の変更が、労働者の受ける不利益の程度、労働条件の変更の必要性、変更後の就業規則の内容の相当性、労働組合等との交渉の状況その他の就業規則の変更に係る事情に照らして合理的なものであるときは、労働契約の内容である労働条件は、当該変更後の就業規則に定めるところによるものとする。ただし、労働契約において、労働者及び使用者が就業規則の変更によっては変更されない労働条件として合意していた部分については、第十二条に該当する場合を除き、この限りでない。 art-10/par-1 · https://japanlaw.org/ja/labor-contracts-act/art-10/par-1 · https://japanlaw.org/l/419AC0000000128/art-10/par-1 When an Employer changes the working conditions by changing the rules of employment, if the Employer informs the Worker of the changed rules of employment, and if the change to the rules of employment is reasonable in light of the extent of the disadvantage to be incurred by the Worker, the need for changing the working conditions, the appropriateness of the contents of the changed rules of employment, the status of negotiations with a labor union or the like, or any other circumstances pertaining to the change to the rules of employment, the working conditions that constitute the contents of a labor contract are to be in accordance with such changed rules of employment; provided, however, that this does not apply to any portion of the labor contract which the Worker and the Employer have agreed on as being the working conditions that are not to be changed by any change to the rules of employment, except in cases that fall under Article 12. Ministry of Justice translation — Japanese Law Translation Database System ### 第十一条（就業規則の変更に係る手続） — (Procedure for Changing the Rules of Employment) caption: Ministry of Justice translation — Japanese Law Translation Database System art-11 · https://japanlaw.org/ja/labor-contracts-act/art-11 · https://japanlaw.org/l/419AC0000000128/art-11 **第一項** 就業規則の変更の手続に関しては、労働基準法（昭和二十二年法律第四十九号）第八十九条及び第九十条の定めるところによる。 art-11/par-1 · https://japanlaw.org/ja/labor-contracts-act/art-11/par-1 · https://japanlaw.org/l/419AC0000000128/art-11/par-1 Procedures for changing the rules of employment are governed by the provisions of Article 89 and Article 90 of the Labor Standards Act (Act No. 49 of 1947). Ministry of Justice translation — Japanese Law Translation Database System ### 第十二条（就業規則違反の労働契約） — (Labor Contract in Violation of the Rules of Employment) caption: Ministry of Justice translation — Japanese Law Translation Database System art-12 · https://japanlaw.org/ja/labor-contracts-act/art-12 · https://japanlaw.org/l/419AC0000000128/art-12 **第一項** 就業規則で定める基準に達しない労働条件を定める労働契約は、その部分については、無効とする。この場合において、無効となった部分は、就業規則で定める基準による。 art-12/par-1 · https://japanlaw.org/ja/labor-contracts-act/art-12/par-1 · https://japanlaw.org/l/419AC0000000128/art-12/par-1 A labor contract that stipulates any working conditions that do not meet the standards established by the rules of employment is invalid with regard to such portions. In this case, the portions which have become invalid are governed by the standards established by the rules of employment. Ministry of Justice translation — Japanese Law Translation Database System ### 第十三条（法令及び労働協約と就業規則との関係） — (Relationship of the Rules of Employment with Laws and Regulations and Collective Agreements) caption: Ministry of Justice translation — Japanese Law Translation Database System art-13 · https://japanlaw.org/ja/labor-contracts-act/art-13 · https://japanlaw.org/l/419AC0000000128/art-13 **第一項** 就業規則が法令又は労働協約に反する場合には、当該反する部分については、第七条、第十条及び前条の規定は、当該法令又は労働協約の適用を受ける労働者との間の労働契約については、適用しない。 art-13/par-1 · https://japanlaw.org/ja/labor-contracts-act/art-13/par-1 · https://japanlaw.org/l/419AC0000000128/art-13/par-1 If the rules of employment violate any law or regulations or collective agreement, the provisions of Article 7, Article 10 and the preceding Article do not apply to a labor contract with a Worker to whom said law or regulations or collective agreement applies, with regard to said portion in violation. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-7/par-1: 第十二条 → 労働契約法 第十二条 (Article 12), art-12 — https://japanlaw.org/ja/labor-contracts-act/art-12 · https://japanlaw.org/l/419AC0000000128/art-12 - art-9/par-1: 次条 → 労働契約法 第十条 (Article 10), art-10 — https://japanlaw.org/ja/labor-contracts-act/art-10 · https://japanlaw.org/l/419AC0000000128/art-10 - art-10/par-1: 第十二条 → 労働契約法 第十二条 (Article 12), art-12 — https://japanlaw.org/ja/labor-contracts-act/art-12 · https://japanlaw.org/l/419AC0000000128/art-12 - art-11/par-1: 労働基準法（昭和二十二年法律第四十九号）第八十九条 → 労働基準法 第八十九条 (Article 89), art-89 — https://japanlaw.org/ja/labor-standards-act/art-89 · https://japanlaw.org/l/322AC0000000049/art-89 - art-11/par-1: 第九十条 → 労働基準法 第九十条 (Article 90), art-90 — https://japanlaw.org/ja/labor-standards-act/art-90 · https://japanlaw.org/l/322AC0000000049/art-90 - art-13/par-1: 第七条 → 労働契約法 第七条 (Article 7), art-7 — https://japanlaw.org/ja/labor-contracts-act/art-7 · https://japanlaw.org/l/419AC0000000128/art-7 - art-13/par-1: 第十条 → 労働契約法 第十条 (Article 10), art-10 — https://japanlaw.org/ja/labor-contracts-act/art-10 · https://japanlaw.org/l/419AC0000000128/art-10 - art-13/par-1: 前条 → 労働契約法 第十二条 (Article 12), art-12 — https://japanlaw.org/ja/labor-contracts-act/art-12 · https://japanlaw.org/l/419AC0000000128/art-12 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 労働契約法 — the text in force from 2020-04-01 (https://laws.e-gov.go.jp/law/419AC0000000128/20200401_430AC0000000071), retrieved 2026-09-10 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Labor Contracts Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3744/tb), retrieved 2026-09-10 - This site's parser, version 211 — 労働契約法 — structure, counts, cross-references and defined terms, computed 2026-09-10