Upcoming chemical regulatory deadlines.
Plan ahead. Track the obligations that affect classification, Safety Data Sheets, notifications and transport across your markets.
| Date | Jurisdiction | Regulation | Obligation | Affected area | Status |
|---|---|---|---|---|---|
New hazard classes for substances already on the market: 1 November 2026. Label-format and advertising rules: postponed to 1 January 2028. A reformulation can remove a mixture's transitional protection. |
European Union | CLP — Regulation (EU) 2024/2865, amended by (EU) 2025/2439 | EU CLP transition: formulation changes can end your grace period Reviewed |
Classification & Labelling | IN FORCE |
Substances already on the EU market before 1 May 2025: 1 November 2026. Mixtures already on the market: 1 May 2028. |
European Union | CLP — Commission Delegated Regulation (EU) 2023/707 | New CLP hazard classes: the next important deadline is approaching Reviewed |
Classification & Labelling | ACTION REQUIRED |
Employers — substances: 20 November 2026. Manufacturers/importers/distributors — substances: 19 May 2026 (passed). All parties — mixtures: 19 November 2027. |
United States | OSHA Hazard Communication Standard (29 CFR 1910.1200) | OSHA HCS 2024: the 20 November 2026 employer deadline for substances is close Reviewed |
Hazard Communication | ACTION REQUIRED |
Main operational date: 1 January 2027 for ADR/RID/ADN. IMDG Amendment 43-26 is the next maritime cycle item, typically available for voluntary use before a later mandatory date. Confirm mode-specific dates before activating new rule sets in production, and test shipping scenarios before 1 January 2027. |
Global | ADR / RID / ADN / IMDG / ICAO TI / IATA DGR | 2027 transport regulation cycle: consolidated amendments published Reviewed |
Dangerous Goods | UPCOMING |
Phase 1 (184 substances) closes 3 March 2027; Phase 2 (16 substances) runs 4 March – 8 September 2027 |
Canada | CEPA 1999 / Chemicals Management Plan | Canada opens a mandatory CEPA section 71 data call on ~200 substances Reviewed |
Reporting | ACTION REQUIRED |
TSCA 8(d) health and safety study submissions are due 21 May 2027. TSCA 8(a)(7) PFAS reporting opens no later than 31 January 2027, with a 6-month submission window once it opens. |
United States | TSCA — Sections 8(d) and 8(a)(7) | TSCA reporting and recordkeeping rule triggers new data submission obligations Reviewed |
Reporting | ACTION REQUIRED |
Next deadline: 31 December 2027, for existing substances manufactured or imported in South Korea at 10 t/y or more and less than 100 t/y. The following band, 1 t/y up to 10 t/y, is due 31 December 2030. |
Asia-Pacific | K-REACH — Act on Registration and Evaluation of Chemical Substances (South Korea) | K-REACH: annual registration tonnage band deadlines approaching Reviewed |
Registration | UPCOMING |
| Date not confirmed The 3-year transition period ended 14 December 2025 — suppliers should no longer rely on it for covered products. Health Canada has said it will focus on compliance promotion until the end of the aligned US OSHA HCS 2024 mixtures compliance date (currently 19 November 2027), after which risk-based enforcement applies; this is compliance-promotion context, not an extension of Canada's own HPR transition deadline. |
Canada | Hazardous Products Regulations (HPR) / WHMIS | Hazardous Products Regulations alignment with a newer GHS revision Reviewed |
GHS Alignment | IN FORCE |
| Date not confirmed Format and validation updates apply on an ongoing basis — align internal PCN generation and validation against format Version 8 before your next dossier submission. |
European Union | CLP — Article 45 / Annex VIII (Poison Centre Notification) | Poison Centre Notification: format and validation rule updates Reviewed |
Poison Centre Notification | UPDATED |
| Date not confirmed SEAC's final opinion is expected around end of 2026; the joint RAC/SEAC opinions then go to the European Commission, which decides whether to add the restriction to REACH Annex XVII. |
European Union | REACH — Annex XVII restriction process (Annex XV restriction dossier) | REACH Annex XVII: chromium(VI) restriction proposal moves toward final SEAC opinion Reviewed |
Chemical Restrictions | ACTION REQUIRED |
| Date not confirmed SEAC's final opinion is expected by the end of 2026. The European Commission then drafts a specific restriction proposal from the RAC/SEAC opinions for the REACH Committee to vote on. |
European Union | REACH — Annex XVII restriction proposal (PFAS) | Universal PFAS restriction: sector-by-sector assessment continues Reviewed |
PFAS | UPCOMING |
Deadlines come from Regulatory Intelligence articles. Open an article for sources and review details. Descriptive timing is preserved when an exact date is unavailable. Article titles and timing notes are in English. Illustrative entries are not verified regulatory guidance.
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