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HM Revenue & Customs (HMRC)
Contact HMRC for help with questions about Income Tax, including PAYE coding notices and Marriage Allowance, and Class 4 National Insurance
Contact HMRC for advice on Self Assessment and to change your personal details
Sign up your own business (or your clients) for Making Tax Digital for VAT after you've got the right software.
Use the online form, call or write to HMRC for help with tax credits or report changes to your circumstances
How to access department, agency and public body services that used the Government Gateway website.
Follow these steps if you’re a business or sole trader and you need to follow the rules for Making Tax Digital for VAT.
Contact HMRC for information about eligibility, claiming and stopping Child Benefit, changing your personal details and making a complaint
Find out how to claim tax relief on money you've spent on things like work uniform and clothing, tools, business travel, professional fees and subscriptions.
Contact HMRC with technical problems when using HMRC systems, sending forms online, error messages and using HMRC free software and tools
Contact HMRC with questions about VAT and to report changes to your business
Contact HMRC if you haven't received your National Insurance number or have lost or forgotten it
Use these rates and thresholds when you operate your payroll or provide expenses and benefits to your employees.
Contact HMRC with employer enquiries on PAYE, NICs, Statutory Payments, stakeholder pensions and student loan repayments
Contact HMRC for changes of details, rates, credits, Statutory Payments, online statements and for help with gaps in your National Insurance contributions
Use the online forms or call HMRC for help with filing your Self Assessment tax return online, or if you've lost your Government Gateway user ID and password
Check which software packages are compatible with Making Tax Digital for VAT.
Use this service to find out if you, or a worker on a specific engagement, should be classed as employed or self-employed for tax purposes.
Find foreign exchange rates issued by HMRC in CSV and XML format.
Find a list of HMRC calculators and tools to help you work out your tax.
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