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Find out when you can expect to receive a reply from HMRC to a query or request you've made.
How to report your income and claim tax reliefs and any repayment due to you using the SA100 tax return, for 6 April 2025 to 5 April 2026.
If you're a sole trader or landlord, use the online service to sign up for Making Tax Digital for Income Tax.
Use this service to claim tax relief on your personal pension and workplace pension scheme or change an existing claim.
Get help with Self Assessment by using online tools and guidance, and watching HMRC YouTube videos.
How to claim a refund in the current tax year on an overpayment of tax when you've flexibly accessed part of your pension pot.
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.
Use this tool to find out what the numbers and letters in your tax code mean and how much tax you will pay.
Find out what software you will need to report self-employment and property income to HMRC.
Find and use tools and calculators that will help you work out your tax.
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).
Register your trust online if you’re a trustee.
Use these rates and thresholds when you operate your payroll or provide expenses and benefits to your employees.
How to claim back tax that HMRC owes you on a small pension lump sum that you've received in the current tax year (P53).
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 how to appeal an individual or partnership Self Assessment penalty.
How to work out your adjusted net income and the circumstances when it can affect your tax liability.
Use form SA1 to register for Self Assessment for any reason other than self-employment.
Rates and allowances for travel including mileage and fuel allowances.
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