Under KKDIK, registrants must complete their preliminary or full registration by 30 September 2026, regardless of tonnage or lead registrant status; final full-registration dates depend on the substance’s tonnage band and hazard profile. Foreign manufacturers should act now: appoint a Turkey-based Only Representative, build a substance inventory and tonnage plan, join the relevant MBDF, close data gaps and prepare the IUCLID dossier. Because data generation can take months and the ‘no data, no market’ principle applies, early engagement is essential. ONAY Mühendislik manages the full process for foreign manufacturers.
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