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Use this online tool to help you find the right guidance and support if you owe money to HMRC for tax or penalties.
Find out the scale rate expenses for accommodation and subsistence paid to employees who travel outside of the UK.
Use this tool to help you find software that meets your needs for Making Tax Digital for Income Tax.
Rates and allowances for travel including mileage and fuel allowances.
Use these rates and thresholds when you operate your payroll or provide expenses and benefits to your employees.
Get a refund of your Construction Industry Scheme (CIS) deductions if you’ve paid too much tax or National Insurance.
Claim Income Tax relief on your job expenses by post using form P87.
Use this calculator to work out employee National Insurance contributions for the current tax year, if you're an employee, employer, or a software developer.
Check how the government calculates and spends your Income Tax and National Insurance contributions within your Annual Tax Summary.
How to check if you’ve paid the right amount of tax, if your pay is not what you expected.
Find out about the changes to Statutory Sick Pay, when they'll be introduced and what to do when a sickness absence starts before and ends on or after 6 April 2026.
Use these rates and allowances for Capital Gains Tax to work out your overall gains above your tax-free allowance, known as the annual exempt amount.
Use our online service to apply to pay voluntary National Insurance contributions for periods abroad.
Apply for a refund of the higher rates of Stamp Duty Land Tax (SDLT16) for additional properties if you sell what was previously your main home.
Find out what counts as qualifying income from self-employment and property when using Making Tax Digital for Income Tax.
Use form MATCF to apply for Marriage Allowance to transfer 10% of your Personal Allowance to your husband, wife or civil partner.
How to pay taxes, penalties and enquiry settlements to HMRC if you cannot find instructions in other 'paying HMRC' guides, or if your payment reference starts with X.
How to claim a refund in the current tax year if you are not getting taxable benefits or a pension from your employer and you've not started a new job (P50).
Apply for an agent services account (ASA) to register with HMRC as a tax adviser and use certain HMRC services.
How to make a subject access request (SAR) to get information that HMRC holds about you.
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