Duin May 2026

A DUIN is a temporary measure that allows Great Britain-based companies to continue importing substances from the EU/EEA after Brexit without an immediate full registration.

To develop a valid notification for the Health and Safety Executive (HSE), you must include: : Details of the manufacturer or importer. Substance Data : Substance name, CAS number, or EC number. A DUIN is a temporary measure that allows

: Classification and labeling information, often found on a Safety Data Sheet (SDS) . A DUIN is a temporary measure that allows

: It allows your business to remain operational until full registration deadlines (ranging from 2026 to 2030, depending on tonnage and hazard). Required Information for DUIN Development A DUIN is a temporary measure that allows

: The initial deadline was October 27, 2021 , but late notifications are still possible to maintain market access.