HMRC released guidance on 28 January 2026 for developers of tax software that use generative AI. The guidance sets five mandatory principles—transparency, reliable source data, human oversight, security/GDPR compliance, and ethical AI with continuous auditing—to ensure AI outputs are trustworthy and legally grounded. Compliance requires clear disclosure, audit trails, limited data sources, and ongoing monitoring of models.
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Energy Digital · about 7 hours ago
UK: New Prime Minister Andy Burnham will cut VAT on electricity bills from the start of October, exempting households in England, Scotland and Wales for six months. The measure will reduce average household bills by about £45 and cost the Treasury roughly £850m this financial year.
TaxResearch · 1 day ago
The UK will remove VAT from electricity bills from October, cutting average annual bills by about £45 per household. The move is expected to reduce tax revenue by roughly £1.1 billion, but critics argue it does not address underlying grid capacity issues.
Guardian · 1 day ago
The UK government will remove VAT from electricity bills for households in Great Britain from 1 October 2026, reducing the annual price cap by £45. Northern Ireland will retain the 5% VAT rate, and the cut does not apply to gas.
VatCalc · 1 day ago
The United Kingdom has announced that domestic electricity bills will be zero-rated from 1 October 2026, reducing the VAT rate from 5% to 0%. The measure is temporary, applying until 31 March 2027, and will be funded by cancelling the planned Digital ID programme.
The Independent · 2 days ago
The UK government will remove VAT from domestic electricity bills from 1 October 2026, cutting the rate from 5% to 0%. The change is expected to save households around £45 a year and will be funded by cancelling the Digital ID programme.
The Independent · 2 days ago
In the UK, the government announced an £850 million tax cut on energy bills, making electricity bills VAT free from 1 October 2026 in England, Scotland and Wales. Northern Ireland remains exempt because EU VAT rates apply under the Windsor Framework, preventing the cut from applying there.
Key Takeaways
The guidance lists transparency, reliable source data, human oversight, security/GDPR compliance, and ethical AI with continuous auditing as the five mandatory principles.
HMRC published the guidance on 28 January 2026.
Acceptable data sources are official HMRC publications, primary legislation, and established case law; generic web content is not acceptable.
Software must prompt users to review outputs, allow corrections, provide challenge mechanisms, flag complex scenarios, and recommend professional advice.
HMRC expects compliance with UK GDPR, privacy by design, a secure software development lifecycle (SSDLC), and clear visibility to users on how their data is processed.
Primary source
Read the full article at VATCalcThis summary was published on VATfaqs.com on 3 February 2026. It relates to VAT developments in United Kingdom. The original source is VATCalc.
