Türkiye’s Ministry of Environment, Urbanization and Climate Change (MoEUCC) has issued key March 2026 announcements significantly revising the implementation of the KKDIK regulation. The update introduces a unified compliance deadline and removes traditional tonnage-based flexibility, accelerating the creation of a national chemical inventory.

Key Regulatory Developments

The Ministry now requires all substances within the scope of KKDIK to obtain either a full registration or a temporary (interim) registration number by 30 September 2026.

A new Individual Temporary Registration pathway has also been introduced, allowing companies to proceed independently without relying on a lead registrant, particularly in cases of data-sharing or coordination issues.

Threshold Update (Critical Change)

A major regulatory shift is the removal of tonnage-based thresholds as a condition for interim compliance:

  • The requirement now applies regardless of tonnage band or hazard classification
  • All substances must be registered by the same deadline, eliminating phased timelines
  • Companies can no longer delay compliance based on lower tonnage volumes
Previous Framework:
  • Registration deadlines were staggered (e.g., 1–10 t/y, 10–100 t/y, etc.)
  • Companies could rely on lead registrants and later deadlines based on tonnage
New Framework:
  • Single deadline for all tonnage bands (30 September 2026)
  • No threshold-based exemption or delay mechanism
  • Mandatory action for all registrants simultaneously

This effectively transforms KKDIK from a phased system into a uniform compliance regime.

Who is Affected?

The update applies to:

  • Manufacturers in Türkiye
  • Importers of chemical substances
  • Only Representatives (ORs)
  • Downstream users dependent on compliant supply chains

Non-Turkish companies exporting to Türkiye are also directly impacted, as registration is required to maintain market access.

Compliance & Market Impact

After 30 September 2026, substances without a valid registration number (full or temporary) cannot be placed on the Turkish market.

Additional implications include:

  • Pre-registration numbers will become invalid
  • Authorities are expected to implement strict enforcement and inspections
  • Companies must ensure traceability and registration coverage for all substances

Timeline & Key Deadlines

  • 30 September 2026: Mandatory deadline for all substances to obtain full or temporary registration

Post-2026:

  • Only registered substances allowed on the market
  • Registration required before manufacturing or import of new substances

Recommended Actions

Companies should immediately:

  • Map all substances and identify registration status
  • Evaluate lead registrant availability and data-sharing options
  • Consider individual temporary registration where delays exist
  • Prepare Annex I data and documentation
  • Initiate registration via the KKS system

The March 2026 KKDIK update represents a fundamental shift in compliance strategy, with the removal of tonnage thresholds and the introduction of a single, non-negotiable deadline. Companies must act proactively to secure registration and maintain uninterrupted access to the Turkish market.

Source: TRIS Draft Rule

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