MHLW Ordinance Amending Dust Hazard Prevention Rules: Effective September 1, 2026

労働安全衛生法及び作業環境測定法の一部を改正する法律の一部の施行に伴う厚生労働省関係省令の整備等に関する省令

Published: 2026-07-29 · Source: e-Gov Law Search — Updated Laws · Stage: Scheduled to Take Effect · Area: Energy / Environment · Impact (preliminary): Medium · First detected by this dashboard: 2026-08-15

View the original Japanese source More Energy / Environment updates Search all updates in the dashboard

AI summary

Generated by AI from the Japanese source metadata. It is an unofficial monitoring aid, not legal advice, and may contain errors. The area, stage, and impact labels are preliminary keyword-based triage labels. Confirm every point in the original Japanese source.

Summary

This item is an e-Gov Law Search update entry concerning a Ministry of Health, Labour and Welfare (MHLW) ordinance that arranges related ministerial regulations following partial enforcement of the law amending the Industrial Safety and Health Act and the Working Environment Measurement Act. The metadata identifies the affected regulation as the Dust Hazard Prevention Rules (Labour Ministry Ordinance No. 18 of 1979) and the amending ordinance as MHLW Ordinance No. 116 of 2026. The metadata lists a promulgation date of 2026-07-29 and an enforcement date of 2026-09-01.

Business Impact

Organizations subject to dust hazard prevention or working environment measurement requirements may need to review whether these regulatory arrangements affect their obligations.

Recommended Action

Review the official Japanese source on e-Gov Law Search to confirm the scope, affected provisions, and applicable dates.

Timeline of related official records

Related official records are linked only when names and instrument numbers match exactly, so this timeline may be incomplete. Dates are as stated by the official sources. It is a monitoring aid, not legal advice; the original Japanese sources are authoritative.

2026-07-29 — Promulgated (instrument recorded by e-Gov Law Search) 労働安全衛生法及び作業環境測定法の一部を改正する法律の一部の施行に伴う厚生労働省関係省令の整備等に関する省令（令和八年厚生労働省令第百十六号） (this update) Original Japanese source
2026-08-01 — Effective date stated by e-Gov Law Search 作業環境測定法施行規則、労働安全衛生法及びこれに基づく命令に係る登録及び指定に関する省令 Dashboard page Original Japanese source
2026-09-01 — Effective date stated by e-Gov Law Search 作業環境測定法施行規則、労働安全衛生法及びこれに基づく命令に係る登録及び指定に関する省令、厚生労働省の所管する法令の規定に基づく民間事業者等が行う書面の保存等における情報通信の技術の利用に関する省令、有機溶剤中毒予防規則、特定化学物質障害予防規則ほか2件 (this update) Original Japanese source
2026-10-01 — Effective date stated by e-Gov Law Search 作業環境測定法施行規則、労働安全衛生法及びこれに基づく命令に係る登録及び指定に関する省令、労働安全衛生規則、厚生労働省の所管する法令の規定に基づく民間事業者等が行う書面の保存等における情報通信の技術の利用に関する省令、厚生労働省組織規則ほか4件 Dashboard page Original Japanese source