If you change your name or address it's important to let HM Revenue & Customs (HMRC) know - even if you pay your tax through PAYE and have already told your employer or pension provider. If you use the HMRC email service you can send one notification, and don't have to get in touch with separate offices.
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You can use the HMRC email service, which will update your records for Income Tax, tax credits, Child Benefit, Child Trust Fund, National Insurance contributions and student loan repayments. You only need to send one notification to update your records for these services.
If you don't want to use the email service, you'll need to get in touch with HMRC and all the relevant helplines (for contact details follow the links below). If you get tax credits or Child Benefit you'll also need to let those offices know.
If you are VAT registered then you can report the changes to HMRC either online, using the link below, or in writing using form VAT 484. You can't tell HMRC about changes to your details by telephone or by email.