What are one-to-many 'nudge' letters? What 'nudge' letters have HMRC recently sent?

HMRC sign

This is a freeview tracker of HMRC's one-to-many letters.

What is a one-to-many letter?

HMRC's one-to-many approach describes the process of issuing a common letter to multiple taxpayers and/or their agents to address a common matter.

  • It is an informal approach to encourage wider tax compliance without opening an enquiry in the first instance.
  • One-to-many letters are also known as 'nudge' letters. 

One-to-many letters typically request that the recipient checks their tax position in respect of the particular issue in question, before taking action within a given period from the letter (often 30 days). 

What one-to-many letters have recently been issued?

Recent nudge letters issued by HMRC are summarised in the table below.

Subject Date  Sample letter

Electronic sales suppression

  • Sent where HMRC hold information that shows a taxpayer owes tax on undeclared sales owing to misuse of a till system (electronic sales suppression). Described as a 'final opportunity' to make a disclosure to HMRC. 
  • See Penalties: Electronic Sales Suppression
March 2025 ICAEW

Online marketplace sales

  • Sent where HMRC hold information that shows a taxpayer has earned income from online marketplace sales up to the tax year ending 5 April 2023, but not declared it.
  • See Online sellers: Tax
February 2025 CIOT

Annual Tax on Enveloped Dwellings (ATED)

  • Sent where companies own one or more UK residential property valued at more than £500,000, declared no profits in their Corporation Tax returns from 2017 to 2020, and either filed: 
    • No ATED returns, or 
    • ATED relief returns claiming qualifying property rental business relief.
  • See Annual Tax on Enveloped Dwellings (ATED)
January 2025  ICAEW

Charities and non-business income

January 2025  CIOT

Estate agents and Anti-Money Laundering (AML) supervision

  • Sent as a reminder that where businesses are carrying out work defined in the Estate Agency Act 1979 they must register with HMRC for AML supervision. 
  • See AML: Anti-Money Laundering Zone
January 2025 ICAEW

PAYE Settlement Agreements (PSAs) 2022-23

  • Sent where a PSA was agreed for the 2022-23 tax year but no PSA calculations were subsequently received by HMRC.
  • See PAYE Settlement Agreements
January 2025 ICAEW

Delivery drivers

  • Sent where HMRC hold information that suggests the recipient was contracted to carry out deliveries between April 2023 and April 2024, was not paid through Pay As You Earn (PAYE) and does not have a live Self-Assessment record. 
  • See Badges of Trade: Are you trading or not?
January 2025 CIOT

Investors Relief (IR)

  • Sent where individuals claimed IR in 2023-24 and either: 
    • HMRC do not believe the taxpayer qualified for the relief, or
    • Insufficient information was given in the tax return to assess whether the qualifying criteria were met.
  • See Investors' Relief
December 2024 CIOT

Business Asset Disposal Relief (BADR) lifetime limit

December 2024 CIOT

Foreign tax credit relief

  • Sent where taxpayers claimed foreign tax credit relief against employment income in 2022-23, highlighting the criteria for relief, particularly around employment and US taxes.
  • See Foreign income and residency pages: FAQs
December 2024  CIOT 

Property landlords

November 2024 CIOT 

Provisional 2022-23 tax returns

October 2024 

CIOT

Gas Safe engineers

October 2024  CIOT

Remittance Basis Charge

September 2024  CIOT 

Corporation Tax loss discrepancies 

September 2024   CIOT

Economic Crime Levy (ECL)

  • Sent where HMRC believe entities should have registered and paid the ECL but have failed to do so.
  • See Economic Crime Levy
September 2024   CIOT

Useful guides on this topic

Penalties: Failure to Notify
What tax penalties apply if you fail to notify HMRC that you are chargeable to tax? Can they be appealed or reduced?

Discovery Assessments
When can HMRC issue an assessment outside of the normal statutory time limits? What conditions must be met? Can HMRC issue two alternative assessments for the same period? What are your rights of appeal and defences?

Client Briefing: How to avoid penalties for carelessness?
Client briefing: how do you avoid penalties for carelessness when preparing your tax return?

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