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Use this guidance to find out what information you need to provide and what forms to use for tax claims.
Use this helpsheet to find out how Capital Gains Tax rules apply for share reorganisations.
Find information about your tax return if you have more than one business.
Find out about Capital Gains Tax treatment for Disposal Relief and Deferral Relief for the Enterprise Investment Scheme (EIS).
There are special rules for tax and National Insurance if you work in the oil and gas industry.
Find out about the Capital Gains Tax treatment for civil partners and spouses in divorce and separation.
Guidance for Child Trust Fund (CTF) providers on how to operate a Child Trust Fund scheme.
Find out what to do if you disagree with a correction HMRC has made to your tax return.
Guidance for ISA managers about how to operate the Junior ISAs scheme rules.
How to apply for a reduced rate of withholding tax, and work out the tax due on worldwide earnings.
Find out how UK resident trusts are treated for Capital Gains Tax and what to include in your tax return.
Check the availability and any issues affecting the approval and set up of your agent services account if you are not based in the UK.
Find out about the checks we carry out to make sure you're paying your workers at least the National Minimum Wage.
Tax treaties and related documents between the UK and Czech Republic.
Find out who can claim under the foreign income and gains (FIG) regime, what income and gains qualify, how to claim in Self Assessment, and the effect on your allowances.
Calculate how much you have to pay your furloughed employees for hours on furlough and how much you can claim back.
Find out about the Accrued Income Scheme and how to work out your accrued income profits or losses.
Checks you must make before you open an ISA for an investor.
Additional June 2026 newsletter to update stakeholders on the latest news for tax-free savings.
Use this helpsheet to understand how personal possessions, or chattels, are treated for Capital Gains Tax and how to calculate gains or losses.
Do not include personal or financial information like your National Insurance number or credit card details.
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