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Guidance: Report a cross-border arrangement to HMRC (MDR)

Report and update cross-border arrangements under Mandatory Disclosure Rules (MDR).

If you are involved in a cross-border arrangement you may have to tell HMRC about it. This could include:

  • transfers of funds from an account in one country to an account in another country
  • putting funds in an offshore trust

You can use the online service to:

  • report your cross-border arrangement
  • update your contact details
  • check the status of files you send to us

Who should report an arrangement

You must report information if it’s in your knowledge, possession or control.

You can check if you need to tell HMRC about a cross-border arrangement.

If you do not report your arrangement, you may have to pay a penalty.

If you’ve previously reported your cross-border arrangement under DAC6, you do not need to report again.

Before you start

Before you tell us about your cross-border arrangement, you’ll need to register to report arrangements.

What you’ll need

You’ll need the Government Gateway ID and password you used to register. If you are reporting for an organisation, your administrator can add team members to the service within your business tax account.

How to report

You’ll be able to upload an XML file containing the reportable information. If you’re uploading an XML file, you should use the schema and supporting documents to report the arrangement.

Start now

Online services may be slow during busy times. Check if there are any problems with this service.

Change your information

If you want to correct or delete information you have sent to us, you must upload a file that meets the schema and business requirements for corrections and deletions.

If you send a deletion, it will delete the entire report (including the ‘New information’ and any corrections).

You can also use this service to update the contact details you provided during registration.

If you have any questions you can email: enquiries.aeoi@hmrc.gov.uk.

Published 28 March 2023

Report and update cross-border arrangements under Mandatory Disclosure Rules (MDR).

If you are involved in a cross-border arrangement you may have to tell HMRC about it. This could include:

  • transfers of funds from an account in one country to an account in another country
  • putting funds in an offshore trust

You can use the online service to:

  • report your cross-border arrangement
  • update your contact details
  • check the status of files you send to us

Who should report an arrangement

You must report information if it’s in your knowledge, possession or control.

You can check if you need to tell HMRC about a cross-border arrangement.

If you do not report your arrangement, you may have to pay a penalty.

If you’ve previously reported your cross-border arrangement under DAC6, you do not need to report again.

Before you start

Before you tell us about your cross-border arrangement, you’ll need to register to report arrangements.

What you’ll need

You’ll need the Government Gateway ID and password you used to register. If you are reporting for an organisation, your administrator can add team members to the service within your business tax account.

How to report

You’ll be able to upload an XML file containing the reportable information. If you’re uploading an XML file, you should use the schema and supporting documents to report the arrangement.

Start now

Online services may be slow during busy times. Check if there are any problems with this service.

Change your information

If you want to correct or delete information you have sent to us, you must upload a file that meets the schema and business requirements for corrections and deletions.

If you send a deletion, it will delete the entire report (including the ‘New information’ and any corrections).

You can also use this service to update the contact details you provided during registration.

If you have any questions you can email: enquiries.aeoi@hmrc.gov.uk.

Published 28 March 2023