ECHA has adapted its advice for companies on the UK's withdrawal from the EU to take into account the transition period ending 31 December 2020.

Companies should check if they are affected by the withdrawal, and UK-based registrations and authorisations should be transferred to an EU Member State before the end of the  transition period. Until then, EU laws including regulations managed by ECHA, still apply to the UK.

Downstream users in the EU/EEA should check the list of substances registered only by UK companies on ECHA’s website to see if they will be affected and need to take action before the end of the transition period.