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.

Designated eleven specific government-issued bonds as gilt-edged securities to exempt them from capital gains and corporation tax.

This Order specifies eleven additional sterling-denominated government securities as 'gilt-edged securities' for the purposes of the Taxation of Chargeable Gains Act 1992.

By designating these securities, the Treasury ensures that any gains realized on their disposal are exempt from capital gains tax for individuals and corporation tax for companies.

The order applies to any person or corporate entity disposing of the listed securities, which include various Treasury Gilts and Index-linked Treasury Gilts maturing between 2029 and 2056.

The 2025 regulations amended the 1998 Individual Savings Account Regulations to clarify definitions, update subscription rules, and limit withdrawals.

These regulations amend the Individual Savings Account Regulations 1998, clarifying definitions, updating subscription rules, and limiting withdrawals.

Key changes include defining "long-term asset fund," requiring national insurance information for non-junior ISA subscriptions, restricting replacement subscriptions to the original account, preventing withdrawals that reduce the current year's subscription below zero, and specifying qualifying investments for stocks and shares and innovative finance components until the end of 2026.

The changes mostly take effect from July 15th, 2025, except for one regulation commencing April 6th, 2027.

The Treasury specified fourteen gilt-edged securities as exempt from capital gains tax.

The Taxation of Chargeable Gains (Gilt-edged Securities) Order 2025, issued by the Treasury, specifies fourteen gilt-edged securities as exempt from capital gains tax under the Taxation of Chargeable Gains Act 1992.

This action simplifies tax administration and supports efficient government borrowing by providing certainty for investors.

Established tax framework for Reserved Investor Funds while amending Co-ownership Authorised Contractual Schemes regulations, including qualifying conditions, reporting requirements, and enforcement mechanisms.

These regulations establish comprehensive tax rules for Reserved Investor Funds (RIFs) and modify existing regulations for Co-ownership Authorised Contractual Schemes (CoACS).

They set out qualifying conditions, entry and exit provisions, accounting requirements, information reporting obligations, and penalties for non-compliance.

The regulations also introduce amendments to various tax acts to accommodate RIFs and ensure consistent treatment with CoACS, while providing transitional provisions for existing schemes.