The regulations established tax exemptions and relief for payments made under the Horizon Shortfall Scheme Appeals, effective from April 28, 2025.

The Horizon Shortfall Scheme Appeals (Tax Exemptions and Relief) Regulations 2025, effective April 28, 2025, grant tax exemptions and relief to recipients of compensation payments from the Department for Business and Trade’s independent appeals process.

The regulations exempt these payments from income tax, capital gains tax, inheritance tax, and corporation tax.

Additionally, it exempts from income and capital gains tax relevant onward payments made by companies relating to these appeal payments.

All exemptions are rooted in the Finance Act 2020.

The 2025 regulations specified territories and taxes as Pillar Two territories and qualifying domestic top-up taxes, implementing the OECD/G20 Pillar Two model rules for multinational tax.

The Multinational Top-up Tax Regulations 2025, effective April 21, 2025, specify territories and domestic taxes aligning with the OECD/G20 Pillar Two model rules.

These rules aim to ensure multinational corporations pay a minimum level of tax, preventing tax avoidance and promoting a fairer system.

The regulations list specific territories and taxes as ‘Pillar Two territories’ and ‘qualifying domestic top-up taxes’ effective from various dates in late 2023 and early 2024, also allowing HMRC to specify additional entities through notice publication.

The 2025 regulations amended multiple existing tax regulations, increasing the interest rate payable to HMRC on outstanding tax liabilities.

The Taxes and Duties, etc (Interest Rate) (Amendment) Regulations 2025 amend several existing regulations to increase the interest rate on unpaid taxes owed to HMRC. The changes affect various tax areas, including income tax, air passenger duty, and customs duties, raising the interest rate by 1.5% in each affected area.

The regulations came into force on April 6, 2025, and are supported by prior legislation.

The 2025 Annual Tax on Enveloped Dwellings Order indexed annual chargeable amounts based on the September 2024 Consumer Price Index increase.

This order, made by the UK Treasury, sets the annual chargeable amounts for the annual tax on enveloped dwellings, effective from April 1st, 2025.

The amounts are determined according to a table referencing the taxable value of the interest, and these amounts are indexed to reflect a 1.7% increase in the Consumer Price Index (CPI) since September 2024.

This indexation is mandated by Section 101(5) of the Finance Act 2013.

The order increased the annual rate and lump sums of several types of UK public service pensions effective April 7, 2025, with adjustments made for guaranteed minimum pensions.

The Pensions Increase (Review) Order 2025, effective April 7, 2025, increases the annual rate of public service pensions.

For pensions starting before April 8, 2024, the increase is 1.7%.

For pensions starting on or after that date, the increase is 1.7% multiplied by a fraction representing the months between the pension's start date and April 7, 2025.

Similar increases apply to lump sums.

The order outlines adjustments for guaranteed minimum pensions, reducing the increase based on their rate of payment.

The 2025 regulations amended the 2018 Help-to-Save Accounts Regulations by adjusting eligibility criteria for Universal Credit claimants and removing a reference to the national living wage.

The Help-To-Save Accounts Regulations 2025 amend the 2018 regulations governing Help-to-Save accounts.

Key changes include lowering the minimum earned income requirement for Universal Credit claimants to £1 and removing the reference to the national living wage in eligibility criteria.

The amendments aim to simplify eligibility and broaden access to the savings scheme for low-income individuals.

The Child Benefit and Guardian's Allowance rates were increased for the 2025-26 tax year, effective April 7, 2025.

This order increases Child Benefit and Guardian's Allowance rates for the 2025-26 tax year in Great Britain and Northern Ireland.

Following a review showing increased prices, the Treasury amended relevant regulations to raise the weekly Child Benefit rates to £26.05 (enhanced rate) and £17.25 (other cases), and the Guardian's Allowance rate to £22.10.

The changes are legally based on existing Social Security Administration Acts and took effect April 7, 2025.

The 2025 regulations amended National Insurance contribution rates, thresholds, and National Insurance Fund payments, and extended veteran's relief.

These regulations, effective April 6, 2025, adjust National Insurance contribution rates and thresholds for Class 2 and Class 3 contributions.

They also adjust the prescribed percentage of estimated benefit expenditure for payments into the National Insurance Fund for Great Britain and Northern Ireland, and extend zero-rate contributions for armed forces veterans to the 2025-26 tax year.

The changes are based on a Treasury review of earnings and estimated benefit expenditure.