# 労働安全衛生法 / Industrial Safety and Health Act — 第四条 (Supplementary Provisions, Article 4)

- 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: 第四条 (Supplementary Provisions, Article 4) — address `suppl-3551-78/art-4`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/industrial-safety-and-health-act/suppl-3551-78/art-4
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/347AC0000000057/suppl-3551-78/art-4
- 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.

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### 第四条
<sup>suppl-3551-78/art-4 · https://japanlaw.org/en/industrial-safety-and-health-act/suppl-3551-78/art-4 · https://japanlaw.org/l/347AC0000000057/suppl-3551-78/art-4</sup>

**第一項**  この法律の施行前にした行為及び前条第一項の規定によりなお従前の例によることとされる命令に係る違反の行為に対する罰則の適用については、なお従前の例による。
<sup>suppl-3551-78/art-4/par-1 · https://japanlaw.org/en/industrial-safety-and-health-act/suppl-3551-78/art-4/par-1 · https://japanlaw.org/l/347AC0000000057/suppl-3551-78/art-4/par-1</sup>
Prior laws continue to govern the applicability of penal provisions to conduct in which a person has engaged before the entry into effect of this Act and to conduct that violates an order that prior laws continue to govern pursuant to the provisions of paragraph (1) of the preceding Article.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- suppl-3551-78/art-4/par-1: 前条第一項 → 労働安全衛生法 附則第三条第一項 (Supplementary Provisions, Article 3, paragraph (1)), suppl-3551-78/art-3/par-1 — https://japanlaw.org/en/industrial-safety-and-health-act/suppl-3551-78/art-3/par-1 · https://japanlaw.org/l/347AC0000000057/suppl-3551-78/art-3/par-1

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## 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
- This site's parser, version 209 — 労働安全衛生法 — structure, counts, cross-references and defined terms, computed 2026-10-17