# 労働基準法 / Labor Standards Act — 第一条 (Supplementary Provisions, Article 1) This is the Markdown twin of https://japanlaw.org/ja/labor-standards-act/suppl-3601-45/art-1. 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: 第一条 (Supplementary Provisions, Article 1)（施行期日） — address `suppl-3601-45/art-1` - Text in force since: 2026-07-17 - URL (the page that opens at this provision): https://japanlaw.org/ja/labor-standards-act/suppl-3601-45/art-1 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/322AC0000000049/suppl-3601-45/art-1 - 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. --- ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-3601-45/art-1 · https://japanlaw.org/ja/labor-standards-act/suppl-3601-45/art-1 · https://japanlaw.org/l/322AC0000000049/suppl-3601-45/art-1 **第一項** この法律は、昭和六十一年四月一日から施行する。ただし、次の各号に掲げる規定は、当該各号に定める日から施行する。 suppl-3601-45/art-1/par-1 · https://japanlaw.org/ja/labor-standards-act/suppl-3601-45/art-1/par-1 · https://japanlaw.org/l/322AC0000000049/suppl-3601-45/art-1/par-1 This Act comes into effect as of April 1, 1986; provided, however, that the provisions set forth in the following items come into effect as of the day specified in the relevant item. machine translation, not official **一** 第二条中労働基準法第百条の二及び第百二十条第四号の改正規定並びに次条第一項、附則第三条及び附則第十七条（労働省設置法（昭和二十四年法律第百六十二号）第四条第三十号の次に一号を加える改正規定並びに同法第四条第三十二号及び第三十四号並びに第九条第一項の改正規定に限る。）の規定　公布の日 suppl-3601-45/art-1/par-1/item-1 · https://japanlaw.org/ja/labor-standards-act/suppl-3601-45/art-1/par-1/item-1 · https://japanlaw.org/l/322AC0000000049/suppl-3601-45/art-1/par-1/item-1 The provisions of Article 2 amending Article 100-2 and Article 120, item (iv) of the Labor Standards Act, and the provisions of paragraph (1) of the following Article, Article 3 of the Supplementary Provisions and Article 17 of the Supplementary Provisions (limited to the provisions adding one item after Article 4, item (xxx) of the Act for Establishment of the Ministry of Labour (Act No. 162 of 1949) and the provisions amending Article 4, items (xxxii) and (xxxiv) and Article 9, paragraph (1) of that Act): the date of promulgation machine translation, not official --- ## Cites - suppl-3601-45/art-1/par-1/item-1: 次条第一項 → 労働基準法 附則第二条第一項 (Supplementary Provisions, Article 2, paragraph (1)), suppl-3601-45/art-2/par-1 — https://japanlaw.org/ja/labor-standards-act/suppl-3601-45/art-2/par-1 · https://japanlaw.org/l/322AC0000000049/suppl-3601-45/art-2/par-1 - suppl-3601-45/art-1/par-1/item-1: 附則第三条 → 労働基準法 附則第三条 (Supplementary Provisions, Article 3), suppl-3601-45/art-3 — https://japanlaw.org/ja/labor-standards-act/suppl-3601-45/art-3 · https://japanlaw.org/l/322AC0000000049/suppl-3601-45/art-3 ## Cited by 1 provision cites this one. No official source publishes this direction. - 労働基準法 附則第二条第一項（労働基準法の一部改正に伴う経過措置） — https://japanlaw.org/ja/labor-standards-act/suppl-3601-45/art-2/par-1 · https://japanlaw.org/l/322AC0000000049/suppl-3601-45/art-2/par-1 --- ## 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 - claude-opus-5[1m] — Machine translation, batch labor-standards-act-004, translated 2026-09-11 - This site's parser, version 224 — 労働基準法 — structure, counts, cross-references and defined terms, computed 2026-09-27