K-REACH

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

South Korea: ChemNavi Updates K-REACH Practical Guide on Sharing Registration Data and Cost-Sharing

On 14 May 2026 South Korea’s ChemNavi K-REACH industry support centre issued a revised practical guide on sharing registration application data and allocating costs among joint registrants. This non-binding but influential update refreshes the baseline for how companies organise data-sharing and cost-sharing under K-REACH, so compliance and registration teams should review and align with the new guide.

15 May 2026, 13:23chemnavi.or.krSouth Korea

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

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

South Korea Promulgates Amendments to Multiple Environmental and Chemical Laws (April–May 2026)

South Korea has promulgated a package of partial amendments to multiple environmental and chemical laws, including K‑REACH, greenhouse‑gas emissions trading, waste and recycling, indoor air quality, environmental liability, light pollution and water resources, based on laws promulgated between 7 April and 6 May 2026. These framework changes signal closer regulatory attention to chemical management and environmental performance, and companies operating in Korea should review the amended texts to understand any new registration, permitting, monitoring or liability obligations ahead of staggered entry‑into‑force dates through October 2026 and April 2027.

8 May 2026, 07:28law.go.krSouth Korea

South Korea Extends K-REACH Enforcement Rule Derogation For Supply-Crisis Registrations To 31 December 2027

South Korea has amended the K-REACH Enforcement Rule to extend, until the end of 2027, a temporary fast-track registration option for chemical substances whose imports or supply are severely disrupted by war, trade restrictions, or similar crises. This keeps a crisis-response safety valve open for manufacturers and importers but also sets a firm 2028 horizon by which they must complete full testing and transition away from reliance on the derogation.

4 May 2026, 19:58law.go.krSouth Korea

South Korea Discloses Names of 136 Existing Chemicals Under K-REACH

South Korea has finalised a partial amendment to the K-REACH existing chemical inventory, disclosing the real chemical names of 136 substances whose confidentiality has expired and correcting several existing entries with precise CAS-linked identifiers, effective immediately from 28 April 2026. This strengthens transparency and alignment with international substance identification practices, meaning companies handling existing chemicals in Korea must recheck inventory status, update registrations and documentation, and ensure their internal systems use the official names and CAS numbers now published.

3 May 2026, 14:43chemical.chemlinked.comSouth Korea

South Korea Consults on Amendments to K-REACH Enforcement Rules for Joint Submission Disputes and Data Grace Periods

South Korea’s Ministry of Climate, Energy and Environment has launched a re-consultation on draft amendments to the K-REACH Enforcement Rules to formalise dispute resolution for joint registrations, introduce data submission grace-period procedures, and clarify succession rules when overseas manufacturers change their appointed representative, with comments due by 8 June 2026. These changes will materially affect how K-REACH registrants and representatives manage data-sharing, governance, and timelines ahead of K-REACH Act amendments taking effect in May 2026, so companies relying on joint submissions or Korea-based representatives should review the draft and prepare feedback and implementation plans.

3 May 2026, 14:43opinion.lawmaking.go.krSouth Korea

South Korea NICS Seeks Comments on Hazard Assessment Results for 79 New Chemicals Under K-REACH

South Korea’s National Institute of Chemical Safety has issued NICS Notice No. 2026‑37 to consult on a partial amendment to K‑REACH Chemical Hazard Assessment Results, adding hazard assessments for 79 newly registered substances and revising entries for 32 existing substances, with comments due by 12 May 2026. Companies manufacturing, importing, or using affected substances in South Korea should review whether their registrations appear in the annexes and prepare for classification, labelling, SDS, and control updates once the hazard determinations are finalised under K‑REACH and the Chemical Substances Control Act.

27 Apr 2026, 18:42nics.mcee.go.krSouth Korea

South Korea Proposes Temporary K-REACH Enforcement Rule Amendment for Supply-Disrupted Chemicals

South Korea’s environment ministry has proposed a temporary amendment to the K-REACH enforcement rules that would let registrants of certain chemicals in severe supply crisis submit test plans instead of some test reports, with consultation open until 21 April 2026. If adopted, this targeted relief could help manufacturers keep production running during supply-chain shocks while preserving K-REACH safety expectations, so compliance teams should identify potentially affected inputs and decide whether to respond to the consultation.

17 Apr 2026, 08:14opinion.lawmaking.go.krSouth Korea

South Korea MCEE Consults On Household Chemical Labelling And Existing Chemical Substances List Amendments

South Korea’s Ministry of Climate, Energy and Environment has launched two consultations to update the Existing Chemical Substances inventory and to clarify what constitutes misleading labelling and advertising for household chemical products and biocidal claims. These proposals, linked to a July 2026 law change, tighten oversight of chemical identity records and marketing claims, so chemical manufacturers and consumer product brands should assess whether their substances and Korea-market labels may need adjustment before the rules are finalised.

16 Apr 2026, 13:56mcee.go.krSouth Korea

South Korea Applies Temporary K-REACH Registration Relief For Supply-Crisis Chemicals From 10 April 2026

South Korea’s climate and environment ministry is temporarily relaxing K-REACH registration requirements for designated “supply-crisis” chemicals from 10 April 2026, allowing companies to register imports using test plans instead of completed hazard studies. This fast-track regime, which will later be codified in the K-REACH Enforcement Rule and currently runs until end-2027, is intended to ease raw-material bottlenecks for petrochemical, coatings, and plastics producers while maintaining eventual data obligations.

14 Apr 2026, 18:22mcee.go.krSouth Korea

South Korea (NICS) Proposes New Quantity Thresholds for 73 Hazardous Chemicals

South Korea has proposed quantity thresholds for 73 newly designated hazardous chemicals to determine which facilities trigger accident prevention and control mandates. Companies should assess site inventories against these limits to identify new compliance obligations and potential operational impacts under the Chemical Substances Control Act.

10 Apr 2026, 10:43nics.me.go.krSouth Korea

Japan NITE Updates CHRIP Database With Multi-Jurisdiction Chemical List Changes

Japan's NITE updated the CHRIP database on April 1, 2026, consolidating substance-level changes across major domestic and international frameworks including CSCL, ISHA, and EU CLP. Businesses must audit updated substance lists to maintain compliance with revised labeling, safety data sheet, and notification obligations across Japanese and global markets.

5 Apr 2026, 06:01chem-info.nite.go.jpJapanEuropean UnionSouth KoreaUnited States

South Korea (NICS) Partially Amends Regulation On The Classification And Labelling Of Chemicals (Notice No. 2026-6)

South Korea has expanded its mandatory chemical classification and labeling list with over 70 new entries and several revisions effective March 2026. Manufacturers and importers must update Safety Data Sheets and product labels by January 2027, or July 2028 for sodium hypochlorite, to ensure continued compliance and hazard communication.

2 Apr 2026, 10:26law.go.krSouth Korea

South Korea MCEE Proposes KECI Amendment Disclosing 136 Existing Chemicals

South Korea has proposed disclosing the identities of 136 existing chemicals in the national inventory following the expiration of their confidential business information protection. Impacted businesses must audit their portfolios to ensure registrations, safety data sheets, and labels are updated to reflect the newly public chemical names and identifiers.

29 Mar 2026, 05:33resource.chemlinked.com.cnSouth Korea

South Korea NICS Amends Hazard Assessment Results and Toxic Substances Designation (Notices 2026-3 and 2026-5)

South Korea updated its official hazard assessments and toxic substance designations under K-REACH and the Chemical Substances Control Act in March 2026. Businesses must audit substance portfolios against the revised annexes to ensure compliance with updated classification, notification, and risk management requirements.

27 Mar 2026, 07:58chemnavi.or.krSouth Korea

South Korea Publishes 2025 Manual on Aquatic Ecotoxicity Classification of Metals and Metal Compounds

South Korea has released updated 2025 guidance for the classification and labelling of aquatic ecotoxicity for metals and metal compounds under K-REACH. Businesses should review existing hazard assessments and Safety Data Sheets to ensure alignment with these technical standards for environmental risk communication.

21 Mar 2026, 16:43chemnavi.or.krSouth Korea

South Korea Finalises Hazard Review Results for 67 New and 56 Existing Substances Under K‑REACH

South Korea has finalized hazard review results for 123 chemical substances under K-REACH, effective immediately as of March 2026. Businesses must audit substance classifications to ensure safety data sheets and labeling remain compliant with the updated hazard disclosures.

14 Mar 2026, 07:52nics.mcee.go.krSouth Korea