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Check your Income Tax, Personal Allowance and tax code for the current tax year. Update details of your income from jobs and pensions.
What tax codes are, how they're worked out, and what to do if you think your code is wrong.
Your tax code is used by your employer or pension provider to work out how…
Your tax code is made up of numbers and letters. 1257L is the tax code…
If your tax code ends in ‘W1’ or ‘M1’ or ‘X’ you’re on an emergency tax…
HMRC may update your tax code if: you start to get income from an…
In most cases, HMRC will automatically update your tax code when your…
Personal pay and tax records you must keep to fill in a Self Assessment tax return: which records to keep, how long to keep records.
You need to keep records if you have to send HM Revenue and Customs (HMRC)…
You must keep records about your business income and costs for longer if…
Income from employment You should keep documents about your pay and tax,…
You should keep all: bank or building society statements and passbooks…
You should keep details of: the dates when you let out your property all…
You may have to pay Capital Gains Tax if you sell (or ‘dispose of’)…
You should keep: evidence of income you’ve earned from overseas, like…
Tell HMRC about undeclared income, self-employment, capital gains, profits in a company and foreign income
Tell HMRC if you've left or intend to leave the UK and find out how to get relief or a repayment on UK Income Tax (P85).
Find out how to disclose and make payments for your offshore investments and assets using the Worldwide Disclosure Facility.
Find out about negative earnings, clawback bonuses and claiming tax loss relief or a tax refund.
This tax information and impact note is about setting the appropriate percentage for company cars for tax years 2025 to 2026, 2026 to 2027 and 2027 to 2028.
Estimate how much Income Tax and National Insurance you can expect to pay for the current tax year (6 April 2024 to 5 April 2025).
How to check your Simple Assessment: what to do if you think the figures used are incorrect, how to ask HMRC for a review, when to pay.
Use HM Revenue and Customs’ (HMRC) tax checker to get an estimate of how much Income Tax you should be paying.
Find out what benefits you could get, how much you could get and how to claim
Find out how to check your payslip to make sure you are not involved in a tax avoidance scheme, operated by some umbrella companies.
Correct a mistake on your tax credit claim form - getting a new award notice
Income Tax is a tax you pay on your earnings - find out about what it is, how you pay and how to check you're paying the right amount using HMRC's tax calculator.
What to do if you need to pay more tax or you're due a refund, including P800 tax calculations from HM Revenue and Customs (HMRC).
What to do when you disagree with a tax decision - appealing against a decision, getting a review by HMRC and reasonable excuses.
This tax information and impact deals with the increase to the diesel supplement from 3% to 4% used for calculating the taxable benefit-in-kind of a diesel car announced at Autumn Budget 2017.
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