Chemical Data Sharing

Health Canada Hosts Webinar on Automated Workflow for Prioritization (HAWPr)

Health Canada will host English and French stakeholder webinars on 15 June 2026 to explain its updated automated workflow (HAWPr) for prioritising chemicals for risk assessment under the Canadian Environmental Protection Act, 1999. This signals how Canada will use data-rich, NAM-enabled screening to set future risk assessment priorities, so companies should understand how HAWPr may elevate their substances for further scrutiny.

23 May 2026, 11:19canada.caCanada

US EPA Finalises One-Year Extension of TSCA 8(d) Health and Safety Data Reporting Deadline

In May 2026, US EPA finalised a one-year extension of the TSCA section 8(d) Health and Safety Data Reporting deadline for 16 high-priority chemicals, moving the submission date to 21 May 2027. Manufacturers and importers of these substances gain additional time to compile unpublished health and safety studies, but should treat the new date as firm while preparing for possible scope changes to the underlying TSCA data call.

23 May 2026, 11:13federalregister.govUnited States

EU Adopts BPR Amendment Extending Certain Data Protection Periods To 2030

The EU has adopted an amendment to the Biocidal Products Regulation that extends data protection for certain active substance and product-type dossiers in the review programme until 31 December 2030 and creates a compensation right for data owners covering the unprotected period from 1 January 2026 to entry into force. Biocidal active substance suppliers and product authorisation holders should reassess data access and cost-sharing arrangements, as longer exclusivity and potential back claims may affect market access strategies, pricing, and negotiations with alternative suppliers through 2030.

22 May 2026, 19:00data.consilium.europa.euEuropean UnionEuropean Economic Area

EU Opens IUCLID User Satisfaction Survey Until 31 July 2026

EU institutions have opened a 2026 IUCLID user satisfaction survey to gather feedback on how stakeholders use the tool across major EU chemicals and product regulations, with responses accepted until 31 July 2026. For compliance teams, this is a short window to highlight pain points and influence upcoming IUCLID usability and workflow improvements that will shape future data preparation and submission under REACH, CLP, BPR and related regimes.

22 May 2026, 16:43ec.europa.euEuropean Union

US EPA Signals October 2026 Expiry Wave for 2016 TSCA CBI Chemical Identities

US EPA used a May 2026 TSCA CBI webinar to flag that, beyond the already listed June–July 2026 expirations, a large wave of confidential chemical identities first asserted in 2016 Chemical Data Reporting submissions is expected to reach its ten‑year expiry in October 2026. This creates two concentrated extension windows for companies relying on TSCA CBI protection, who must now reconcile confidential Inventory entries, public EPA lists and CDX notices and prioritise timely section 14(e) extension requests or prepare for publication of currently confidential identities.

22 May 2026, 10:50epa.govUnited States

South Korea Amends K‑REACH Enforcement Decree on Data-Sharing Disputes and SME Support

In May 2026 South Korea promulgated a partial amendment to the K‑REACH Enforcement Decree, introducing new procedures for joint registration data-sharing disputes, data submission deferrals, and SME support to reduce highly hazardous chemical use. The changes tighten governance around registration data and foreign representatives while offering targeted compliance support, so companies importing or manufacturing chemicals in Korea should review their registration strategies, contracts and internal controls to align with the new mechanisms.

20 May 2026, 06:09law.go.krSouth Korea

ECHA Directs PACT Users to ECHA CHEM, With Legacy Table Maintained Until July 2026

ECHA has updated its Public Activities Coordination Tool (PACT) page to direct users to the new ECHA CHEM database for regulatory activity lists, confirming that the legacy PACT table will be maintained only until July 2026 and that the Assessment of Regulatory Needs list remains an exception. Regulatory and product stewardship teams relying on PACT or legacy “Search for chemicals” URLs should shift monitoring and internal references to the relevant ECHA CHEM regulatory activity and obligation lists ahead of the mid-2026 transition window to avoid gaps in regulatory intelligence and list coverage.

20 May 2026, 05:59echa.europa.euEuropean Union

Thailand Industry Ministry Accelerates OECD-Aligned Hazardous Substances Management

Thailand’s government is using OECD accession to drive an upgrade of hazardous substances governance, with the Industry Ministry and Department of Industrial Works now explicitly tasked to align national chemicals management with OECD standards over the coming years. This points to more structured, data-driven and internationally harmonised chemicals controls in Thailand by around 2030, raising future expectations on inventories, classification, testing and information sharing for companies operating in Thai supply chains.

15 May 2026, 11:48thebangkokinsight.comThailand

UK: IUCLID6 Test Working Contexts Updated for UK REACH

HSE has enabled six new IUCLID 6 working contexts in the UK test environment, but these are for testing only and cannot yet be used for live UK REACH registrations. Operational users should continue using existing accepted contexts for Comply with UK REACH submissions while monitoring for future announcements on when the new contexts become production-ready.

15 May 2026, 08:50content.govdelivery.comUnited Kingdom

South Korea Amends K-REACH Enforcement Rule On Joint Registration And Data-Sharing Disputes

From 12 May 2026, South Korea’s Ministry of Climate, Energy and Environment has brought into force Decree No. 37, amending the K-REACH Enforcement Rule to introduce formal procedures for mediating joint-registration data-sharing disputes and for deferring submission of registration data where owner consent cannot be obtained. These changes tighten governance around K-REACH data sharing and joint registration, increasing pressure on registrants and data owners to document negotiations, engage with ministry-led mediation, and adjust contracts and timelines so that access to critical data no longer becomes a barrier to timely compliance.

14 May 2026, 10:10law.go.krSouth Korea

South Korea Implements Dispute Resolution Mechanism for K-REACH Chemical Registration

From 12 May 2026, South Korea’s environment ministry is formally implementing a government‑led dispute resolution mechanism to mediate cost‑sharing conflicts over joint registration data under K‑REACH. This provides companies with an official mediation and data‑submission deferral route, reducing the risk that entrenched fee disputes derail registrations or disrupt supply while preserving the integrity of the chemicals registration regime.

14 May 2026, 10:09mcee.go.krSouth Korea

US EPA Authorises SAIC Access to TSCA Confidential Business Information

US EPA has authorised contractor SAIC to access confidential TSCA submissions, including business-sensitive information, to support ChemView data warehousing and analytics work beginning no earlier than 19 May 2026. This is an administrative CBI-handling step rather than a new compliance obligation, but it clarifies which third party can see proprietary TSCA data and underpins future transparency and data-service initiatives.

12 May 2026, 15:28federalregister.govUnited States

EU Council Adopts Omnibus X Regulation Extending Data Protection for Biocidal Active Substances to 2030

EU legislators have adopted an Omnibus X regulation amending the Biocidal Products Regulation to extend data protection for certain existing biocidal active substance dossiers until 31 December 2030, with entry into force 20 days after publication in the Official Journal. This changes the economics of biocidal active substance supply by prolonging data ownership and compensation rights, so companies should reassess data-access agreements, cost-sharing arrangements, and product portfolio plans around affected review-programme substances.

12 May 2026, 15:08data.consilium.europa.euEuropean Union

Japan METI Sets CSCL FY2025 Annual Notification Deadlines (30 June / 31 July 2026)

Japan’s Ministry of Economy, Trade and Industry has issued 2026 CSCL annual notification guidance confirming that FY2025 manufacturing and import quantities for general, priority and monitoring substances must be reported between 1 April and late June/July 2026, depending on the submission channel. Chemical manufacturers and importers should finalise CSCL inventories, SDS and classification data and ensure e-Gov or paper notifications are submitted ahead of the 30 June (paper) and 31 July 2026 (electronic/optical) cut-offs to avoid non-compliance and penalties.

11 May 2026, 13:10meti.go.jpJapan

EU ECHA Updates AS-RNL Expressions Of Interest List For Biocidal Active Substance Renewals (Prepared 04 May 2026)

ECHA has refreshed its “expressions of interest” list for Biocidal Products Regulation active substance renewals, publishing a version prepared as of 04 May 2026 that shows which active substance/product-type combinations have sponsors, which do not, and the associated renewal deadlines over the next several years. This update gives manufacturers and authorisation holders a clearer forward view of which biocidal actives remain supported, where no renewal interest is recorded, and when key renewal windows close, informing decisions on joint dossiers, portfolio prioritisation, and substitution planning.

11 May 2026, 12:02echa.europa.euEuropean Union

UK Alliance of Chemical Associations Highlights Concerns Over UK REACH ATRm

In April–May 2026 the UK Alliance of Chemical Associations sent a joint letter, published by UKCPI, warning that the Government’s UK REACH Alternative Transitional Registration model (ATRm) still creates costly, duplicative registration burdens and compressed deadlines despite planned alignment with EU REACH. The letter signals strong industry pressure on Defra and DBT to recognise EU registrations, allow wider use of public ECHA data, and revisit ATRm timelines and data requirements, which could shape subsequent UK REACH implementation and compliance planning for UK and EU supply chains.

9 May 2026, 13:23ukcpi.orgUnited Kingdom

South Korea Amends K-REACH Enforcement Decree on Data Sharing Disputes and OR Transitions

On 06 May 2026, South Korea promulgated Presidential Decree No. 36304 amending the K-REACH Enforcement Decree to formalise data-sharing dispute resolution, clarify Only Representative succession, expand SME support, and upgrade related IT procedures. These binding procedural changes will reshape how registrants coordinate joint submissions and OR transitions under K-REACH, so companies should reassess contracts, governance, and systems to align with the clarified framework.

9 May 2026, 13:15reach.ktr.or.krSouth Korea

Connecticut HB 5155 Creating Pesticide Reporting Database Working Group Passes Both Chambers

Connecticut’s General Assembly has passed HB 5155, which would create a multi-stakeholder working group to design a modern, searchable database for pesticide sales and use reporting, pending any required executive action. This signals a likely shift toward more granular, technology-driven pesticide tracking in Connecticut, with potential future obligations for applicators, farmers, and retailers once the working group’s recommendations are translated into law or regulation.

8 May 2026, 10:53cga.ct.govUnited States

ECHA Updates Drinking Water Directive Notification of Intention Manual for IUCLID v10 (April 2026)

ECHA has issued an April 2026 update of its Drinking Water Directive Notification of Intention IUCLID manual, aligning guidance with the IUCLID v10 release and the new EU positive-list regime for materials and products in contact with drinking water. While the legal obligations remain set by Directive (EU) 2020/2184 and its implementing acts, applicants now need to follow updated notified-entry types, reference-substance, confidentiality, validation, and dissemination-preview rules in IUCLID to ensure successful, timely DWD submissions and avoid unintended public disclosure.

7 May 2026, 05:45echa.europa.euEuropean Union

California DPR Publishes PREC Agenda for 15 May 2026 CalPEST Overview Meeting

California’s Department of Pesticide Regulation has posted the agenda for a 15 May 2026 remote meeting of its Pesticide Registration and Evaluation Committee focused on an overview of the CalPEST electronic pesticide submission and tracking system. While no specific pesticide decisions are scheduled, pesticide registrants and advisors may gain insight into how CDPR expects CalPEST to be used for future applications, data access, and regulatory interactions.

6 May 2026, 19:29cdpr.ca.govUnited States