# 労働安全衛生法 / Industrial Safety and Health Act — 第一条 (Supplementary Provisions, Article 1) - Law: 労働安全衛生法 (Industrial Safety and Health Act), 昭和四十七年法律第五十七号 - English title "Industrial Safety and Health 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-5071-33/art-1` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/347AC0000000057/suppl-5071-33/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-5071-33/art-1 · https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1 **第一項** この法律は、令和八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-5071-33/art-1/par-1 · https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1 This Act comes into effect on April 1, 2026; provided, however, that the provisions set forth in the following items come into effect on the dates specified respectively in those items: machine translation, not official **一** 第一条中労働安全衛生法第三条第三項及び第五十三条第一項第五号の改正規定並びに次条から附則第四条までの規定並びに附則第九条及び第十二条の規定　公布の日 suppl-5071-33/art-1/par-1/item-1 · https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-1 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-1 the provisions in Article 1 amending Article 3, paragraph (3) and Article 53, paragraph (1), item (v) of the Industrial Safety and Health Act, the provisions of the following Article through Article 4 of the Supplementary Provisions, and the provisions of Articles 9 and 12 of the Supplementary Provisions: the date of promulgation machine translation, not official **二** 第一条の規定（前号に掲げる改正規定を除く。）及び附則第十三条中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（昭和六十年法律第八十八号。以下「労働者派遣法」という。）第四十五条第三項の改正規定（「（第二項」の下に「及び第三項」を加える部分に限る。）並びに同条第四項及び第五項の改正規定　令和八年一月一日 suppl-5071-33/art-1/par-1/item-2 · https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-2 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-2 the provisions of Article 1 (excluding the amending provisions set forth in the preceding item), and the provisions in Article 13 of the Supplementary Provisions amending Article 45, paragraph (3) of the Act on Ensuring the Proper Operation of Worker Dispatching Services and Protecting Dispatched Workers (Act No. 88 of 1985; hereinafter referred to as the "Worker Dispatching Act") (limited to the part adding "and paragraph (3)" after "(paragraph (2)") and the provisions amending paragraphs (4) and (5) of that Article: January 1, 2026 machine translation, not official **三** 第二条中労働安全衛生法第二条第四号の改正規定、同法第六十五条の四を同法第六十五条の五とし、同法第六十五条の三を同法第六十五条の四とし、同法第六十五条の二の次に一条を加える改正規定及び同法第百十九条第一号の改正規定（「第六十五条の四」を「第六十五条の三第一項、第六十五条の五」に改める部分に限る。）及び第三条の規定（作業環境測定法第二十二条、第二十九条から第三十二条まで及び第三十四条第一項の改正規定を除く。）並びに附則第十一条中登録免許税法（昭和四十二年法律第三十五号）別表第一第八十四号（一）の改正規定及び附則第十三条中労働者派遣法第四十五条第三項の改正規定（前号に掲げる改正規定を除く。）、同条第六項の改正規定及び労働者派遣法第四十七条第一項の改正規定　令和八年十月一日 suppl-5071-33/art-1/par-1/item-3 · https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-3 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-3 the provisions in Article 2 amending Article 2, item (iv) of the Industrial Safety and Health Act, the provisions renumbering Article 65-4 of that Act as Article 65-5, renumbering Article 65-3 of that Act as Article 65-4 and adding one Article after Article 65-2 of that Act, and the provisions amending Article 119, item (i) of that Act (limited to the part replacing "Article 65-4" with "Article 65-3, paragraph (1), Article 65-5"), and the provisions of Article 3 (excluding the provisions amending Article 22, Articles 29 through 32 and Article 34, paragraph (1) of the Working Environment Measurement Act), and the provisions in Article 11 of the Supplementary Provisions amending Appended Table 1, item (84)(i) of the Registration and License Tax Act (Act No. 35 of 1967) and the provisions in Article 13 of the Supplementary Provisions amending Article 45, paragraph (3) of the Worker Dispatching Act (excluding the amending provisions set forth in the preceding item), the provisions amending paragraph (6) of that Article and the provisions amending Article 47, paragraph (1) of the Worker Dispatching Act: October 1, 2026 machine translation, not official **四** 第二条中労働安全衛生法の目次の改正規定及び同法第十章に一条を加える改正規定及び附則第十四条中労働者派遣法第四十五条の改正規定（同条第十五項中「第百条から第百二条まで」を「第百条、第百一条、第百二条」に改める部分に限る。）　令和九年一月一日 suppl-5071-33/art-1/par-1/item-4 · https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-4 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-4 the provisions in Article 2 amending the table of contents of the Industrial Safety and Health Act and the provisions adding one Article to Chapter X of that Act, and the provisions in Article 14 of the Supplementary Provisions amending Article 45 of the Worker Dispatching Act (limited to the part replacing "Articles 100 through 102" with "Article 100, Article 101, Article 102" in paragraph (15) of that Article): January 1, 2027 machine translation, not official **五** 第二条中労働安全衛生法第三十条の三の次に一条を加える改正規定、同法第三十二条の改正規定（同条第四項中「労働者」を「作業従事者」に改め、「事業者である」を削る部分、同条第六項中「労働者」を「作業従事者」に改める部分及び同条第七項中「労働者」を「作業従事者」に改める部分を除く。）、同法第三十六条及び第四十二条の改正規定、同法第四十三条の二の改正規定（同条第二号中「第四号」の下に「及び別表第四第十四号」を加える部分を除く。）、同法第四十四条第一項、第四十四条の二第一項、第四十五条、第五十四条の三第二項第一号、第五十四条の四第二項、第五十九条及び第六十条の二の改正規定、同法第百十九条第一号の改正規定（「第五十九条第三項」の下に「若しくは第四項」を加える部分に限る。）並びに同法第百二十条第一号の改正規定（「第三十二条第一項から第六項まで」を「第三十条の四第一項、第三十二条第一項から第七項まで」に改める部分及び「第四十五条第一項若しくは第二項」を「第四十五条第一項から第三項まで」に改める部分に限る。）及び附則第十四条の規定（前号に掲げる改正規定を除く。）　令和九年四月一日 suppl-5071-33/art-1/par-1/item-5 · https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-5 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-5 the provisions in Article 2 adding one Article after Article 30-3 of the Industrial Safety and Health Act, the provisions amending Article 32 of that Act (excluding the part replacing "worker" with "person engaged in work" and deleting "who is an employer" in paragraph (4) of that Article, the part replacing "worker" with "person engaged in work" in paragraph (6) of that Article and the part replacing "worker" with "person engaged in work" in paragraph (7) of that Article), the provisions amending Articles 36 and 42 of that Act, the provisions amending Article 43-2 of that Act (excluding the part adding "and Appended Table 4, item (xiv)" after "item (iv)" in item (ii) of that Article), the provisions amending Article 44, paragraph (1), Article 44-2, paragraph (1), Article 45, Article 54-3, paragraph (2), item (i), Article 54-4, paragraph (2), Article 59 and Article 60-2 of that Act, the provisions amending Article 119, item (i) of that Act (limited to the part adding "or paragraph (4)" after "Article 59, paragraph (3)") and the provisions amending Article 120, item (i) of that Act (limited to the part replacing "Article 32, paragraphs (1) through (6)" with "Article 30-4, paragraph (1), Article 32, paragraphs (1) through (7)" and the part replacing "Article 45, paragraph (1) or (2)" with "Article 45, paragraphs (1) through (3)"), and the provisions of Article 14 of the Supplementary Provisions (excluding the amending provisions set forth in the preceding item): April 1, 2027 machine translation, not official **六** 第二条中労働安全衛生法附則第四条を削る改正規定　公布の日から起算して三年を超えない範囲内において政令で定める日 suppl-5071-33/art-1/par-1/item-6 · https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-6 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-6 the provisions in Article 2 deleting Article 4 of the Supplementary Provisions of the Industrial Safety and Health Act: the date specified by Cabinet Order within a period not exceeding three years from the date of promulgation machine translation, not official **七** 第二条中労働安全衛生法第五十七条の二第二項の改正規定（「通知するよう努めなければ」を「通知しなければ」に改める部分に限る。）及び同法第百十九条第四号を同条第五号とし、同条第三号の次に一号を加える改正規定　公布の日から起算して五年を超えない範囲内において政令で定める日 suppl-5071-33/art-1/par-1/item-7 · https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-7 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-7 the provisions in Article 2 amending Article 57-2, paragraph (2) of the Industrial Safety and Health Act (limited to the part replacing "must endeavor to promptly notify" with "must promptly notify") and the provisions renumbering Article 119, item (iv) of that Act as item (v) of that Article and adding one item after item (iii) of that Article: the date specified by Cabinet Order within a period not exceeding five years from the date of promulgation machine translation, not official --- ## Cites - suppl-5071-33/art-1/par-1/item-1: 次条から附則第四条まで → 労働安全衛生法 附則第二条 (Supplementary Provisions, Article 2), suppl-5071-33/art-2 — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-2 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-2 - suppl-5071-33/art-1/par-1/item-1: 次条から附則第四条まで → 労働安全衛生法 附則第三条 (Supplementary Provisions, Article 3), suppl-5071-33/art-3 — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-3 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-3 - suppl-5071-33/art-1/par-1/item-1: 次条から附則第四条まで → 労働安全衛生法 附則第四条 (Supplementary Provisions, Article 4), suppl-5071-33/art-4 — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-4 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-4 - suppl-5071-33/art-1/par-1/item-1: 附則第九条 → 労働安全衛生法 附則第九条 (Supplementary Provisions, Article 9), suppl-5071-33/art-9 — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-9 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-9 - suppl-5071-33/art-1/par-1/item-2: 前号 → 労働安全衛生法 附則第一条第一項第一号 (Supplementary Provisions, Article 1, paragraph (1), item (i)), suppl-5071-33/art-1/par-1/item-1 — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-1 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-1 - suppl-5071-33/art-1/par-1/item-3: 前号 → 労働安全衛生法 附則第一条第一項第二号 (Supplementary Provisions, Article 1, paragraph (1), item (ii)), suppl-5071-33/art-1/par-1/item-2 — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-2 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-2 - suppl-5071-33/art-1/par-1/item-5: 前号 → 労働安全衛生法 附則第一条第一項第四号 (Supplementary Provisions, Article 1, paragraph (1), item (iv)), suppl-5071-33/art-1/par-1/item-4 — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-4 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-4 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 労働安全衛生法 附則第一条第一項第二号（施行期日） — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-2 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-2 - 労働安全衛生法 附則第一条第一項第三号（施行期日） — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-3 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-3 - 労働安全衛生法 附則第一条第一項第五号（施行期日） — https://japanlaw.org/ja/industrial-safety-and-health-act/suppl-5071-33/art-1/par-1/item-5 · https://japanlaw.org/l/347AC0000000057/suppl-5071-33/art-1/par-1/item-5 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 労働安全衛生法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/347AC0000000057/20261001_507AC0000000033), retrieved 2026-10-17 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Industrial Safety and Health Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3440/tb), retrieved 2026-10-17 - claude-opus-5-5 — Machine translation, batch industrial-safety-and-health-act-20261017T185616-006, translated 2026-10-18 - This site's parser, version 209 — 労働安全衛生法 — structure, counts, cross-references and defined terms, computed 2026-10-17