# 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-4101-112/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-4101-112/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-4101-112/art-1 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/322AC0000000049/suppl-4101-112/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-4101-112/art-1 · https://japanlaw.org/ja/labor-standards-act/suppl-4101-112/art-1 · https://japanlaw.org/l/322AC0000000049/suppl-4101-112/art-1 **第一項** この法律は、平成十一年四月一日から施行する。ただし、第百五条の二の次に一条を加える改正規定並びに附則第八条の規定及び附則第十五条の規定（地方公務員法（昭和二十五年法律第二百六十一号）第五十八条第三項の改正規定中「及び第百二条」を「、第百二条及び第百五条の三」に改める部分に限る。）は平成十年十月一日から、第三十八条の二の次に二条を加える改正規定（第三十八条の四に係る部分に限る。）、第五十六条第一項の改正規定、同条第二項の改正規定（「満十二才」を「満十三歳」に改める部分に限る。）、第六十条第三項の改正規定（同項第二号の改正規定を除く。）及び第百六条第一項の改正規定（第三十八条の四第一項及び第五項に規定する決議に係る部分に限る。）並びに附則第六条の規定、附則第十一条第一項の規定及び附則第十五条の規定（同法第五十八条第三項の改正規定中「第三十九条第五項」を「第三十八条の四、第三十九条第五項」に改める部分に限る。）は平成十二年四月一日から施行する。 suppl-4101-112/art-1/par-1 · https://japanlaw.org/ja/labor-standards-act/suppl-4101-112/art-1/par-1 · https://japanlaw.org/l/322AC0000000049/suppl-4101-112/art-1/par-1 This Act comes into effect as of April 1, 1999; provided, however, that the provisions adding one Article after Article 105-2, the provisions of Article 8 of the Supplementary Provisions and the provisions of Article 15 of the Supplementary Provisions (limited to the part of the provisions amending Article 58, paragraph (3) of the Local Public Service Act (Act No. 261 of 1950) that replaces "and Article 102" with ", Article 102 and Article 105-3") come into effect as of October 1, 1998, and the provisions adding two Articles after Article 38-2 (limited to the part pertaining to Article 38-4), the provisions amending Article 56, paragraph (1), the provisions amending paragraph (2) of that Article (limited to the part replacing "12 years of age" with "13 years of age"), the provisions amending Article 60, paragraph (3) (excluding the provisions amending item (ii) of that paragraph) and the provisions amending Article 106, paragraph (1) (limited to the part pertaining to the resolutions prescribed in Article 38-4, paragraphs (1) and (5)), and the provisions of Article 6 of the Supplementary Provisions, the provisions of Article 11, paragraph (1) of the Supplementary Provisions and the provisions of Article 15 of the Supplementary Provisions (limited to the part of the provisions amending Article 58, paragraph (3) of that Act that replaces "Article 39, paragraph (5)" with "Article 38-4, Article 39, paragraph (5)") come into effect as of April 1, 2000. machine translation, not official --- ## Cites - suppl-4101-112/art-1/par-1: 附則第八条 → 労働基準法 附則第八条 (Supplementary Provisions, Article 8), suppl-4101-112/art-8 — https://japanlaw.org/ja/labor-standards-act/suppl-4101-112/art-8 · https://japanlaw.org/l/322AC0000000049/suppl-4101-112/art-8 - suppl-4101-112/art-1/par-1: 附則第六条 → 労働基準法 附則第六条 (Supplementary Provisions, Article 6), suppl-4101-112/art-6 — https://japanlaw.org/ja/labor-standards-act/suppl-4101-112/art-6 · https://japanlaw.org/l/322AC0000000049/suppl-4101-112/art-6 - suppl-4101-112/art-1/par-1: 附則第十一条第一項 → 労働基準法 附則第十一条第一項 (Supplementary Provisions, Article 11, paragraph (1)), suppl-4101-112/art-11/par-1 — https://japanlaw.org/ja/labor-standards-act/suppl-4101-112/art-11/par-1 · https://japanlaw.org/l/322AC0000000049/suppl-4101-112/art-11/par-1 ## Cited by 1 provision cites this one. No official source publishes this direction. - 労働基準法 附則第九条第一項（罰則に関する経過措置） — https://japanlaw.org/ja/labor-standards-act/suppl-4101-112/art-9/par-1 · https://japanlaw.org/l/322AC0000000049/suppl-4101-112/art-9/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-006, 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