Change of https://www.gov.uk/guidance/how-to-comply-with-reach-chemical-regulations

Change description : 2025-10-10 13:50:00: Under the ‘Get help with UK REACH’ section – ‘Call the IT support helpline’ details removed. [Guidance and regulation]

Showing diff : 2025-03-31 23:05:19.525037553 +00:00..2025-10-10 12:52:34.147928038 +00:00

Guidance

Comply with UK REACH: submit and manage chemical registrations and notifications

Use this service to submit and manage chemical registrations and notifications.

From:
Department for Environment, Food & Rural Affairs
Published
23 September 2015
Last updated
101 OctoberApril 2025 — See all updates

If you’re based in Great Britain (England, Scotland and Wales) use this service to:

  • submit a new registration for a substance
  • notify that you’re going to continue importing EU REACH registered substances by submitting a Downstream User Import Notification (DUIN)
  • transfer your assets, such as registrations, to another legal entity
  • submit your Northern Ireland notification
  • manage joint registrations - claim the lead registrant role, submit a lead dossier and approve joint registration group members
  • manage your Product and Process Orientated Research and Development (PPORD) notification

Start now

Before you start

You’ll need a Government Gateway account and a Defra account to sign into this service.

If you don’t have a Government Gateway account, you can set one up when you use this service for the first time.

You must log in to your Government Gateway account at least once every 3 years. If you don’t, you’ll lose access to your account and its data.

Follow guidance on how to create a Government Gateway account and a Defra account to access the Comply with UK REACH service.

Make sure your substance information is in the correct format as i6z dossier files. You can use IUCLID 6 (or later) to create the files.

Read the UK REACH guidance on the  Health and Safety Executive (HSE) website.

Get help with UK REACH ​

Contact the IT support mailbox by email ​

ukreachitsupport@defra.gov.uk ​

We aim to respond within 24 hours. ​hours ​

Call the IT support helpline ​

UK Chemicals helpline
Telephone: 0330 159 1985
Monday to Friday, 9am to 5pm (except public holidays)

Updates to this page

Published 23 September 2015
Last updated 101 OctoberApril 2025 + show all updates

  1. Under the 'Get help with UK REACH' section - 'Call the IT support helpline' details removed.

Sign up for emails or print this page

Contents

Update history

2025-10-10 13:50
Under the ‘Get help with UK REACH’ section – ‘Call the IT support helpline’ details removed.

2025-04-01 00:01
Contact details for the UK REACH IT support mailbox have been added.

2023-07-20 12:22
Added that users will need a Defra account to be able to use the Comply with UK REACH service and it can be set up when they first use the service. Added note that you must log in to your Government Gateway account every 3 years to retain access.

2022-06-22 14:04
Have removed previous sections:- Tonnage band deadlines- UK REACH for businesses in Northern Ireland

2022-03-25 10:04
We have removed guidance for grandfathering, downstream users, authorisation and restrictions as this information can be found on the Health and Safety Executive website. Joint registrations, substance groups and data sharing is now in a separate guide on gov.​uk.

2020-09-01 15:00
Updated to provide businesses more information on what they'll need to do to prepare for the 1 January 2021

2019-09-18 10:28
Added link to the process maps collection