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How to deal with registered contact applications if you're an ISA manager.
Use this technical documentation for individual returns if you're a software developer working with the Self Assessment online service.
How to get copies of Inheritance Tax forms that are not available online.
Tax treaties and related documents between the UK and Argentina.
Tax treaties and related documents between the UK and Chile.
Get help if you’re a tax agent or adviser who has clients with capital or revenue expenditure to declare on Self Assessment and Company Tax Returns.
Tax treaties and related documents between the UK and Kenya.
Use this guidance to find out what information you need to provide and what forms to use for tax claims.
Find out how partnerships are treated for Capital Gains Tax when completing your Self Assessment tax return.
Use this helpsheet to fill in a Trust and Estate tax return.
When you may need to make a change to your Self Assessment tax return for SEISS payments, and how to do it.
Ask for a review of a penalty charge for not registering or maintaining a trust, or appeal against a penalty decision.
Find out what investments qualify for a cash ISA, and the rules on connected accounts.
Find out who can open a Lifetime ISA, what information Lifetime ISA managers need to apply, how people pay and claim government bonuses.
Guidance for ISA managers about how to operate the Junior ISAs scheme rules.
The general terms and conditions ISA managers must provide when managing, transferring and withdrawing JISAs.
The rules on subscriptions and how to repair a Junior ISA if you're an ISA manager.
How to protect your employment business, and the workers you supply, from non-compliant businesses in your supply chain.
Tax treaties and related documents between the UK and the British Virgin Islands.
Tax treaties and related documents between the UK and Sri Lanka.
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