Industrial Safety and Health Act (Japan)

Japan MHLW Adopts Ordinance No. 86 Amending the Ordinance on Industrial Safety and Health

In April 2026, Japan’s Ministry of Health, Labour and Welfare issued Ministerial Ordinance No. 86 amending the Ordinance on Industrial Safety and Health, as published in the Official Gazette. This represents a binding update to Japan’s core occupational safety regulations, so companies with Japanese operations should have local HSE teams review the ordinance text for any changes in workplace safety or compliance obligations.

3 May 2026, 09:10kanpo.go.jpJapan

Japan MHLW Opens Consultation on Draft Cabinet Order Designating Workplaces for Personal Exposure Measurements

Japan’s Ministry of Health, Labour and Welfare is consulting on a draft Cabinet Order that will define which workplaces are designated under new personal exposure measurement obligations created by recent amendments to the Industrial Safety and Health Act and Working Environment Measurement Act, with enforcement scheduled from October 2026. This will clarify which facilities must implement personal exposure monitoring and related governance, so EHS leaders should review the scope and timing and prepare measurement and compliance plans ahead of the 2026 entry into force.

28 Apr 2026, 19:49public-comment.e-gov.go.jpJapan

Japan MHLW Amends Designation Criteria For Carcinogenic Substances Under Industrial Safety And Health Ordinance

Japan has clarified the designation criteria for carcinogenic substances under the Industrial Safety and Health Ordinance to align with recent GHS classifications. Operators should review chemical inventories and risk assessments to ensure compliance with revised workplace safety and exposure control obligations.

3 Apr 2026, 18:51mhlw.go.jpJapan

Japan: MHLW Ordinance No. 68 Adds Four Hazardous Chemicals (Including PFAS) to Labour Safety and Health Annex 2

Japan has designated four new hazardous chemicals, including two PFAS, for mandatory workplace control under the Industrial Safety and Health Act effective April 2026. Impacted operators must update exposure management protocols and health monitoring programs to align with these expanded occupational safety obligations.

3 Apr 2026, 18:46kanpo.go.jpJapan

Japan MHLW Adopts Ordinance Implementing 2025 Amendments to Industrial Safety and Working Environment Acts

Japan has finalized implementing rules for the 2025 Industrial Safety and Health Act amendments, effective from March 2026. Businesses must now verify that all equipment provided to home-based workers meets ministerial safety standards and align compliance reporting with accident insurance thresholds.

27 Mar 2026, 16:18kanpo.go.jpJapan

Japan MHLW Amends Standards and Safety Devices Under Industrial Safety and Health Act (Notice No. 101)

Japan has updated technical standards and safety device requirements for industrial machinery under the Industrial Safety and Health Act, effective April 2027. Manufacturers must ensure equipment specifications and protective devices align with revised ministerial notifications to maintain market access and workplace compliance.

27 Mar 2026, 16:14kanpo.go.jpJapan

Japan Cabinet Order Reorganises Orders to Implement Amendments to the Industrial Safety and Health and Working Environment Measurement Acts

Japan finalized the implementation framework for 2025 amendments to its industrial safety and working environment laws, effective April 2026. Companies must align with updated occupational health management standards and new operational safety reporting for specialized and unmanned aircraft.

26 Mar 2026, 12:24kanpo.go.jpJapan

Japan Authorities Consult On Amendments To Hazard Information Reporting Ordinance And Guidance Under CSCL

Japan is transitioning to electronic hazard reporting and expanding data requirements for Class II substances under the Chemical Substances Control Law, effective May 2026. Companies should digitize reporting workflows and prepare for broader hazard data obligations to ensure compliance with updated monitoring and Class II substance rules.

19 Mar 2026, 19:34public-comment.e-gov.go.jpJapan

Japan MHLW Sets Performance Inspection Methods for Boilers and Specified Machinery Under Industrial Safety and Health Act

Japan has finalized mandatory performance inspection methods for boilers and pressure vessels under the Industrial Safety and Health Act, effective April 1, 2026. Facility operators must ensure equipment maintenance and documentation align with these specific mechanical-integrity criteria to pass mandatory inspections by registered bodies.

18 Mar 2026, 18:49kanpo.go.jpJapan

Japan MHLW Issues Manual On SDS Substitute Chemical Names

Japan has finalized rules allowing companies to use substitute chemical names on Safety Data Sheets to protect trade secrets starting April 2026. Businesses must implement standardized masking protocols and emergency disclosure procedures to maintain intellectual property rights without compromising hazard communication compliance.

8 Mar 2026, 13:31mhlw.go.jpJapan

Japan MHLW Notice 44 Aligns Skill Training Rules With Industrial Safety and Working Environment Amendments

Japan has updated skill training regulations for construction machinery and pressure vessels to align with the 2025 Industrial Safety and Health Act amendments. Businesses should update internal compliance records and training materials to reflect renumbered statutory references to ensure continued alignment with the revised framework.

27 Feb 2026, 08:35kanpo.go.jpJapan

Japan MHLW Defines Low-Hazard Notified Substances for Risk Assessment Under Industrial Safety and Health Ordinance

Japan has established specific criteria to identify low-hazard notified substances under the Industrial Safety and Health Act effective April 2026. This classification allows businesses to streamline workplace risk assessments by focusing stringent control measures on high-hazard chemicals while clarifying compliance for lower-risk materials.

26 Feb 2026, 13:23kanpo.go.jpJapan

Japan NITE Updates CHRIP Chemical Risk Database With February 2026 Regulatory List Changes

Japan’s NITE has updated the CHRIP database to reflect hundreds of new substance classifications and regulatory list changes across domestic and international frameworks. Companies should use this consolidated data to screen portfolios for emerging obligations under Japanese chemical laws, EU REACH/CLP, and global transport standards.

24 Feb 2026, 19:23chem-info.nite.go.jpJapanEuropean UnionUnited StatesTaiwanGlobal

Japan MHLW Issues Guidelines on Notification of Alternative Chemical Names for Notified Substances

Japan has finalized rules allowing the use of alternative chemical names on safety data sheets for low-hazard substances to protect trade secrets starting April 2026. Businesses can now better secure proprietary chemical formulations provided they implement mandatory emergency disclosure procedures and maintain robust compliance documentation.

24 Feb 2026, 19:16mhlw.go.jpJapan

Japan MHLW Launches Survey on Handling of Carcinogenic Substances Subject to 30-Year Work Record Retention

Japan is surveying industrial users of carcinogenic substances to finalize implementation of mandatory 30-year work-record retention requirements starting April 2027. Companies must ensure robust long-term data management and exposure tracking systems are in place to manage significant administrative and liability risks under the revised Industrial Safety and Health Act.

17 Feb 2026, 16:08mhlw.go.jpJapan

Japan MHLW Explains Skipping Public Comment For Industrial Safety And Health Act Health Promotion Guidelines Amendment

Japan has updated its workplace health promotion guidelines to align with new safety standards for older workers as of February 2026. This update signals a tightening of occupational health frameworks to address demographic shifts, requiring employers to integrate aging-workforce considerations into standard safety protocols.

12 Feb 2026, 16:15public-comment.e-gov.go.jpJapan

Japan MHLW Publishes Health Maintenance and Promotion Guidelines Under Industrial Safety and Health Act

Japan's MHLW has published updated health maintenance and promotion guidelines under the Industrial Safety and Health Act to strengthen workplace wellness standards. Employers should review and align internal occupational health programs with these new implementation standards to ensure compliance with evolving duty of care requirements.

12 Feb 2026, 15:32kanpo.go.jpJapan

Japan Consults on Draft ISHA Amendments on Chemical Label/SDS Scope and Carcinogen Record-Retention

Japan is consulting on expanding the scope of substances requiring mandatory hazard labelling and Safety Data Sheets under the Industrial Safety and Health Act. Businesses should prepare for broader hazard communication obligations by 2028 and implement 30-year record-retention protocols for substances classified as carcinogens.

11 Feb 2026, 13:12public-comment.e-gov.go.jpJapan

Japan MHLW Ordinance Implements Amendments To Industrial Safety And Health And Working Environment Measurement Acts

Japan has finalized a multi-year implementation of industrial safety reforms that significantly tighten chemical hazard communication and workplace health standards. Businesses must adapt to stricter SDS enforcement, new personal exposure monitoring mandates, and expanded safety liabilities for contractors and machinery operations.

22 Jan 2026, 07:50kanpo.go.jpJapan

Japan Adds 167 New Chemical Substances Under ISHA (26 December 2025)

Japan has expanded its Industrial Safety and Health Act inventory with the addition of 167 new chemical substances as of December 2025. Impacted businesses must update their compliance records to ensure mandatory GHS labeling and safety data sheet requirements are met for the Japanese market.

19 Jan 2026, 17:01anzeninfo.mhlw.go.jpJapan