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Find information about tax and National Insurance contributions for MPs and ministers.
Use this technical documentation for individual returns if you're a software developer working with the Self Assessment online service.
Find out the rules on paying tax on foreign income and about residency, domicile and the remittance basis in the HMRC6.
Tax treaties and related documents between the UK and Kenya.
Tax treaties and related documents between the UK and Taiwan.
Tax treaties and related documents between the UK and Bermuda.
Guidance on Inheritance Tax exemptions and reliefs policy, and Capital Gains Tax reliefs policy for national heritage property.
Find out if you need to create a unique user ID and password to submit your Self Assessment tax return using commercial software.
Find out how you should manage Lifetime ISAs including payments, transfers and withdrawals.
Check this list of approved payers for non-UK resident entertainers and find out if you need to deduct withholding tax.
If you received Horizon Shortfall Scheme (HSS) compensation between 6 April 2022 and 5 April 2025 you can get support with your Self Assessment tax return.
Get help if you’re a tax agent or adviser who has clients who must complete form IHT400 for Inheritance Tax on their tax returns.
Use form NRL3 if you are a trustee of a non-resident trust that wants to apply to receive UK rental income with no UK tax deducted.
Check when you can include and remove life insurance policies from an investor's account if you're an ISA manager.
Check customs rules for private individuals who leave the UK in their pleasure craft and travel to other countries.
Tax treaties and related documents between the UK and Chile.
Guidance on the changes to the ‘generally accepted accounting practice’ (GAAP) used to prepare financial statements.
Tax treaties and related documents between the UK and Andorra.
Tax treaties and related documents between the UK and Azerbaijan.
Tax treaties and related documents between the UK and Barbados.
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