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Routine Rule Amended Final

Directions on Electronic Communications for Tax Purposes

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Published April 1st, 2026
Detected March 31st, 2026
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Summary

HMRC issued updated directions under the Income and Corporation Taxes (Electronic Communications) Regulations 2003, replacing the 2014 directions with revised procedures for secure mailbox delivery of tax information. The new directions take effect from 1 April 2026 and apply to registered users of Self Assessment Online and Making Tax Digital for Income Tax services.

What changed

HMRC has issued new statutory directions (S.I. 2003/282) governing how the Commissioners deliver electronic information to taxpayers via secure mailbox. The directions specify conditions for valid delivery: information must be sent to the secure mailbox AND an email or text notification must be sent to the registered user's verified email or phone number. Delivery is considered satisfied if recorded on official systems unless the system also shows non-delivery, or if delivery can be demonstrated by other means. The previous directions from 3rd April 2014 are revoked.

Taxpayers who use Self Assessment Online or Making Tax Digital for Income Tax services should ensure their contact details (email address and phone number) registered with HMRC are current and verified. Secure mailbox access should be maintained and monitored. The directions take effect from 1 April 2026. There are no new penalties specified; the directions clarify procedural requirements for HMRC communications.

What to do next

  1. Verify your HMRC secure mailbox registration is active and accessible
  2. Confirm your registered email address and phone number with HMRC are current
  3. Check secure mailbox regularly for HMRC correspondence from 1 April 2026 onwards

Source document (simplified)

© Crown copyright 2026

This publication is licensed under the terms of the Open Government Licence v3.0 except where otherwise stated. To view this licence, visit nationalarchives.gov.uk/doc/open-government-licence/version/3 or write to the Information Policy Team, The National Archives, Kew, London TW9 4DU, or email: psi@nationalarchives.gov.uk.

Where we have identified any third party copyright information you will need to obtain permission from the copyright holders concerned.

This publication is available at https://www.gov.uk/government/publications/statutory-instrument-secondary-legislation-directions-under-regulations-51-of-the-income-and-corporation-taxes-electronic-communications-regulati/directions-under-regulations-51-of-the-income-and-corporation-taxes-electronic-communications-regulations-2003-si-2003282

Directions under regulations 5(1) of the Income and Corporation Taxes (Electronic Communications) Regulations 2003 (S.I. 2003/282)

These directions apply in relation to the delivery of information by the Commissioners for His Majesty’s Revenue and Customs in relation to the matters referred to by regulation 2(1)(a)(i), (v) — (vii) and (xii) of the Income and Corporation Taxes (Electronic Communications) Regulations 2003 (“the Electronic Communications Regulations 2003”).

Use of the secure mailbox to deliver information

  1. The Commissioners for His Majesty’s Revenue and Customs hereby direct that the conditions that apply in relation to information delivered to a secure mailbox are that:

(a) The Commissioners have delivered information to the secure mailbox of a person who is a registered user of the Self Assessment Online service or Making Tax Digital for Income Tax service; and

(b) The Commissioners have despatched:

(i) an email message to the person’s last known verified email address, or

(ii) a text message to the person’s registered daytime contact phone number

notifying the person that information has been delivered to their secure mailbox;

Condition 1(b) will be taken as satisfied if:

(i) the despatch of the email or text message is recorded on an official computer system, unless:

  • the official computer system also records that the email or text message was not delivered to the person’s email address or phone number, or
  • it is proved in some other way that the email or text message was not delivered to the person’s email address or phone number; or (ii) the Commissioners can demonstrate in some other way that the email or text message was delivered to that person.

Commencement

  1. These Directions shall have effect from 1 April 2026.

Revocation

  1. The Directions made on 3rd April 2014 under regulations 5(1) of the Income and Corporation Taxes (Electronic Communications) Regulations 2003 (S.I. 2003/282) are revoked.

Signature

The Commissioners of His Majesty’s Revenue and Customs make these directions in relation to matters referred to in regulation 5(1) of the Income and Corporation Taxes (Electronic Communications) Regulations 2003 (S.I. 2003/282).

Jonathan Athow

Daljit Rehal

Two of the Commissioners for His Majesty’s Revenue and Customs

25th March 2026

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Named provisions

Directions under regulations 5(1) of the Income and Corporation Taxes (Electronic Communications) Regulations 2003 Use of the secure mailbox to deliver information Commencement Revocation

Classification

Agency
HMRC
Published
April 1st, 2026
Instrument
Rule
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
S.I. 2003/282
Supersedes
Directions dated 3rd April 2014 under S.I. 2003/282

Who this affects

Applies to
Consumers Employers Government agencies
Industry sector
5412 Accounting & Tax Services
Activity scope
Electronic Communications with HMRC Secure Mailbox Delivery Tax Information Notifications
Threshold
Users of Self Assessment Online service or Making Tax Digital for Income Tax service
Geographic scope
United Kingdom GB

Taxonomy

Primary area
Taxation
Operational domain
Compliance
Topics
Digital Services Electronic Communications

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