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 |
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 |
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 |
| Date not confirmed Mandatory application from mid-2027 |
Global | ADR / IMDG / IATA | 2027 transport regulation cycle: consolidated amendments published Illustrative example — not verified |
Dangerous Goods | UPCOMING |
| Date not confirmed Transition ends ~2 years after coming into force |
Canada | HPR / WHMIS | Hazardous Products Regulations alignment with a newer GHS revision Illustrative example — not verified |
GHS Alignment | IN FORCE |
| Date not confirmed Next band deadline: end of 2026 |
Asia-Pacific | K-REACH | K-REACH: annual registration tonnage band deadlines approaching Illustrative example — not verified |
Registration | UPCOMING |
| Date not confirmed Mixtures: transitional deadline in 2026–2027 |
European Union | CLP | New CLP hazard classes: classification and label updates continue to phase in Illustrative example — not verified |
Classification & Labelling | IN FORCE |
| Date not confirmed Update affected dossiers before market changes |
European Union | CLP / PCN | Poison Centre Notification: format and validation rule updates Illustrative example — not verified |
Poison Centre Notification | UPDATED |
| Date not confirmed Transition period expected (typ. 18–24 months) |
European Union | REACH | Restriction proposal advances for a group of substances under REACH Annex XVII Illustrative example — not verified |
Chemical Restrictions | ACTION REQUIRED |
| Date not confirmed Submission window closes ~6 months after effective date |
United States | TSCA | TSCA reporting and recordkeeping rule triggers new data submission obligations Illustrative example — not verified |
Reporting | ACTION REQUIRED |
| Date not confirmed Derogation lengths under discussion (5–12 years for some uses) |
European Union | REACH / PFAS | Universal PFAS restriction: sector-by-sector assessment continues Illustrative example — not verified |
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.
Let's solve your compliance challenges.
Whether you need regulatory expertise, chemical data management or intelligent compliance software, CHEMREG can help.