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Get a refund of your Construction Industry Scheme (CIS) deductions if you’ve paid too much tax or National Insurance.
Use the Self Assessment helpsheet (HS263) to work out tax credit relief on income that you've paid foreign tax on.
Find recognised suppliers and software for Corporation Tax returns and supplementary pages.
Find out if you need to pay Capital Gains Tax on gains you make when you sell, exchange or give away cryptoasset tokens (like bitcoin, XRP or ether).
Use form CA9176 to apply for Class 3 National Insurance credits from 6 April 2011, if you've provided care for a child aged under 12.
Find out about HMRC's data protection policy and procedures.
Find out the rules for transferring the basic tax-free allowance (nil rate band) to a surviving spouse or civil partner.
How to calculate your employee's Statutory Sick Pay if you cannot use the GOV.UK calculator.
Check a list of recent letters from HMRC to help you decide if a letter you’ve received is a scam.
Find out how to enrol and activate a tax service in your HMRC online services for agents account.
Find out which taxes you might need to register for as a sole trader and the rules you'll need to follow.
Find information on completing the Capital Gains section of your Self Assessment tax return.
If Income Tax has been deducted from your savings and investments, get a refund using form R40.
Find out about the foreign income and gains (FIG) regime which replaced the remittance basis on 6 April 2025.
Find out if a business has registered with HMRC under the money laundering regulations and report them if they have not.
Use this form to report Capital Gains Tax on UK property or land, if you cannot use our online service.
Use this service to get a pension scheme member’s Guaranteed Minimum Pension (GMP) calculation.
If you're a close company or a tax agent, find out how to claim relief for loans that have been repaid, released, or written off.
Find out how the scheme works, including issuing shares and raising money and how to submit a compliance statement.
Find out about the Rent a Room Scheme if you're a trader, owner occupier or tenant.
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