UK REACH eBulletin: 1 October 2021

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HSE eBulletin

UK REACH: grandfathered registration notified substances list

Defra has published a “UK REACH: grandfathered registration notified substances list” on GOV.UK.


The list contains the names and CAS/EC numbers for substances taken from notifications made under Article 127B(4)(a) of UK REACH.


Article 127B(4)(a) is the provision that required registrants of a former EU REACH registration “grandfathered” into UK REACH to notify HSE of basic information about their registration (“initial transitional data”).


This initial transitional data was submitted to HSE using the Comply with UK REACH service.


The list covers data provided up to and including 1 July 2021.


The substance information on the list has been taken from initial transitional data and so its accuracy is not guaranteed.


The list is not a verified list of all substances with registrations that were transferred into UK REACH from EU REACH under Article 127A(1) (transferred registrations).


A substance with a transferred registration will not appear on the list if:

  • No initial transitional data has been submitted;
  • Those who submitted the initial transitional data indicated that it was confidential

A substance will also not appear on the list if the substance is only imported by a new registrant or a former downstream user or distributor.


GB-based companies that, prior to the end of the transition period, were downstream users or distributors under EU REACH are required to notify HSE of their downstream user/distributor status by submitting a Downstream User Import Notification (DUIN). This will suspend the registration duty they now have as importers.


See the Downstream User Import Notification guidance for more information.


A DUIN needs to be submitted before 27 October 2021.


The presence of a substance on this list has no impact on the DUIN notification obligation.



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