Corrected typographical errors in the Explanatory Note of the 2026 Customs Regulations regarding internal regulation numbering.

This document issues formal corrections to the Explanatory Note of the Customs (Tariff and Miscellaneous Amendments) (No. 6) Regulations 2026.

It replaces incorrect references to regulation 6 with the correct references to regulation 4 within the fifth paragraph of the note.

These changes apply to His Majesty's Revenue and Customs (HMRC), legal professionals, and businesses engaged in international trade who rely on the explanatory text for guidance on tariff amendments.

Introduced a £12,000 cash ISA limit for under-65s and a tax charge on interest from cash held in investment ISAs.

This instrument amends the Individual Savings Account Regulations 1998 to introduce a specific £12,000 annual subscription limit for cash ISAs applicable to individuals aged 64 or under.

It removes tax relief on interest or alternative finance returns generated by cash deposits held within stocks and shares or innovative finance ISA components, requiring account managers to pay a flat-rate charge to HMRC at the savings basic rate.

Additionally, the regulations update the definition of money market funds and prohibit stocks and shares ISAs from consisting entirely of such funds, while revising transfer rules to restrict under-65s from moving funds into cash accounts in certain circumstances.

Raised the minimum tax-loss threshold for publicly naming deliberate tax defaulters from £25,000 to £50,000.

This Order increases the financial threshold that triggers the public disclosure of deliberate tax defaulters by HM Revenue and Customs.

It amends the Finance Act 2009 to ensure that the Commissioners only publish the names and details of persons penalised for deliberate defaults when the potential tax lost exceeds £50,000.

This change applies to taxpayers across the United Kingdom who are subject to penalties for deliberate tax inaccuracies or failures to notify.

Established the legal methodology for calculating and verifying carbon emissions for goods imported under the UK Carbon Border Adjustment Mechanism starting January 2027.

These regulations establish the technical framework for calculating emissions embodied in goods imported into the UK under the Carbon Border Adjustment Mechanism (CBAM).

The document directs importers to determine emissions using either Treasury-published default values or a multi-step calculation based on verified emissions data from the production installation.

It authorizes HM Revenue and Customs (HMRC) and the Treasury to publish notices specifying monitoring methodologies, verification standards, and accreditation requirements for independent verifiers.

These rules apply to registered and registrable persons importing goods such as cement and fertilizers, as well as the operators of the installations where these goods are produced.

Extended the sunset date for the government's energy cost support powers by six months to 25 April 2027.

These Regulations extend the period during which the Secretary of State may exercise powers under section 13 of the Energy Prices Act 2022 to provide financial support for energy costs.

By moving the expiration date from 25 October 2026 to 25 April 2027, the instrument allows the Department for Energy Security and Net Zero to continue funding a portion of the Renewables Obligation costs normally passed to consumers.

This authority applies to the Secretary of State and affects domestic electricity suppliers who receive grant funding to lower household energy bills.

Activated late payment and repayment interest rules for the UK carbon border adjustment mechanism effective January 2027.

This Order establishes 1st January 2027 as the commencement date for standardized interest rules regarding the carbon border adjustment mechanism (CBAM).

It mandates that the late payment interest provisions in section 101 and the repayment interest provisions in section 102 of the Finance Act 2009 apply to all CBAM-related sums, including penalties.

The order applies to His Majesty's Revenue and Customs (HMRC) and any persons or entities liable for payments or entitled to refunds under the UK carbon border tax regime.

Reduced the VAT rate on domestic electricity in Great Britain from 5% to 0% for the period between October 2026 and March 2027.

This Order introduces a temporary zero rate of Value Added Tax (VAT) for qualifying supplies of domestic electricity in England, Wales, and Scotland for a six-month period.

It modifies the Value Added Tax Act 1994 to reclassify electricity supplied for domestic use or non-business charity use from the 5% reduced rate to a 0% rate between 1 October 2026 and 31 March 2027.

The instrument applies to electricity suppliers and residential consumers in Great Britain, while specifically maintaining the 5% reduced rate for electricity supplies in Northern Ireland.

Reclassified Bhutan's trade status and updated UK customs reference documents to introduce new commodity codes and adjust tariff quotas.

These Regulations reclassify Bhutan's status under the UK's trade preference systems and update several reference documents that define import duties, commodity codes, and tariff quotas.

The order moves Bhutan from the list of least developed countries to the list of other eligible developing countries, while also updating the Tariff of the United Kingdom and documents governing authorised use, steel quotas, and duty suspensions.

These changes apply to any persons or businesses importing goods into England, Wales, Scotland, and Northern Ireland, specifically affecting those dealing in machinery, electrical goods, and steel products.