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Find out when you can expect to receive a reply from HMRC to a query or request you've made.
Check if you need to declare income from selling personal possessions, goods or services online, creating online content or renting out property using digital platforms.
Use these rates and thresholds when you operate your payroll or provide expenses and benefits to your employees.
Find and use tools and calculators that will help you work out your tax.
Use the online service to update details of your trust, declare no changes, authorise an agent, get proof of registration or close a trust on the trust register.
Pay voluntary National Insurance for periods abroad.
If you’re eligible, you can claim Income Tax relief on your job expenses by post using form P87.
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).
How to work out your adjusted net income and the circumstances when it can affect your tax liability.
Register your trust online if you’re a trustee.
Use form SA1 to register for Self Assessment for any reason other than self-employment.
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).
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.
Use this list to check if you can claim a fixed amount of tax relief (also known as 'flat rate expenses') for your work expenses if you're an employee.
Find out how to get a certificate of residence as an individual, company or organisation so you do not get taxed twice on foreign income.
Find out about tax as a landlord, and how to work out your rental income if you rent out property.
Find out how to appeal an individual or partnership Self Assessment penalty. For example, either online or by post using forms SA370 or SA371.
Find out about annual tax-free allowances for property or trading income and if you qualify.
Use this tool to find out what the numbers and letters in your tax code mean and how much tax you will pay.
Use the online form service or postal form CF411 to apply for National Insurance Home Responsibilities Protection.
Don’t include personal or financial information like your National Insurance number or credit card details.
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