Post-DUIN Registration deadline for substances between 100 and 1000 tonnes per year, and candidate list substances (as at 27 October 2023.)
Post-DUIN Registration deadline for substances above 1000 tonnes per year, as well as CMR substances (1 tonne or more per year), substances very toxic to aquatic organisms (100 tonnes or more per year) and candidate list substances (as at 31 December 2020.)
Start of Notification: The UK is currently into an 11-month transition period with the EU and it would exit the transition period on 31st December 2020. UK REACH will come into effect from 1st January 2021.