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Changes you need to tell HMRC about to make sure you pay the right amount of Income Tax
HM Revenue and Customs (HMRC) is the department responsible for the business of the former Inland Revenue and HM Customs and Excise. Find out how to contact HMRC by phone, in person and online
Contacting HMRC on behalf of someone else who finds it difficult to manage their own affairs
'Cash in hand' employers, VAT fraud, illegal imports by retailers: how and why to report tax fraud
How to appeal against decisions on tax matters
How to make a complaint about HMRC's service and what to do if you're unhappy with the response you get
When and why HM Revenue & Customs carries out tax inspections or enquiries, where to get advice and your rights and obligations
If you want an accountant to deal with HM Revenue & Customs for you you'll need to complete form 64-8
Don't overpay or underpay tax - keep HMRC up to date of changes to your circumstances