You must tell HM Revenue and Customs ( HMRC ) about changes to your taxable income . To do this you can either: check your Income Tax and tell HMRC about a change call HMRC If you do not, you could pay too much tax or get a tax bill at the end of the year. What you must tell HMRC Your employer or pension provider tells HMRC when: you start or finish your job there’s a change in the money you earn from your job or get from your pension But you must tell HMRC about any other changes, for example when you start or stop getting: income from a new source, such as money from self-employment or rent from property taxable benefits , such as State Pension, Jobseeker’s Allowance and Carer’s Allowance benefits from your job, such as a company car income above your Personal Allowance money over £85,000 from self-employment (you must register for VAT over this amount) lump sums from selling things you pay Capital Gains Tax on , such as shares or property that’s not your main home income from property, money or shares you inherit , such as dividends from shares or rent from property If you get tax credits Tell HMRC separately about changes that affect your tax credits . If your spouse or civil partner dies Tell HMRC about changes to your income after the death of your husband, wife or civil partner. If you make Self Assessment ‘payments on account’ Tell HMRC if you expect a big decrease in income and you pay your Self Assessment tax bill in advance (‘ payments on account ’). HMRC may decide to reduce your payments. After you tell HMRC HMRC may: change your tax code and send you a PAYE Coding notice tell you to send a Self Assessment tax return so they can bill you for tax you owe send you a refund if you paid too much tax

Relationship or family changes

Tell HM Revenue and Customs ( HMRC ) if: you get married or form a civil partnership you divorce, separate or stop living with your husband, wife or partner You can tell HMRC online if you’re paid a salary or pension through PAYE. If you submit a Self Assessment tax return as well, your details will be updated for both. You’ll need: a Government Gateway user ID and password - if you do not have a Government Gateway user ID, you can create one when you tell HMRC online a National Insurance number (a temporary reference number will not work). Tell HMRC straight away – if you do not, you could pay too much tax, or get a tax bill at the end of the year. If you get tax credits or Child Benefit Tell HMRC separately about changes to your relationship or family if you get: tax credits Child Benefit If your spouse or civil partner dies Contact HMRC to report: the death of your husband, wife or civil partner changes to your income after their death

HM Revenue and Customs ( HMRC ) is usually told automatically when you change gender legally by applying for a Gender Recognition Certificate . Tell your employer at the same time - they must update your payroll records and National Insurance contributions. HMRC will: update its records with your gender and any name change tell the Department for Work and Pensions ( DWP ) restrict your records so only specialist staff at HMRC and DWP can access them hand your tax affairs to HMRC ’s Public Department 1 Once you get a letter confirming your records have moved, you can contact Public Department 1 with questions about your tax or National Insurance. Public Department 1 Telephone: 03000 534730 Monday to Friday, 8.30am to 5pm Find out about call charges HMRC Ty William Morgan House Public Department 1 6 Central Square Cardiff CF10 1XS Get advice about the gender change process If you have questions about telling HMRC about changing your legal gender, you can call Special Section D. You cannot confirm your legal gender change over the phone. Special Section D Telephone: 03000 554344 Monday to Friday, 8.00am to 5pm Find out about call charges Tell HMRC yourself You can write to Special Section D to tell HMRC : about your legal gender change about your name change only if you did not change gender legally if you do not want them to restrict your records Include your National Insurance number, and your original Gender Recognition Certificate if you’ve changed gender legally. HMRC Special Section D Room BP9207 Benton Park View Newcastle upon Tyne NE98 1ZZ

Tell HMRC about a change to your personal details

Change of name or address

You need to tell HMRC if you’ve changed your name or address. How you contact HM Revenue and Customs (HMRC) to update your name or address depends on your situation.

You’ll also need to change your business records if you run a business.

If you submit a Self Assessment tax return, your details will be updated once you’ve reported a name or address change.

This guide is also available in Welsh (Cymraeg).

Tell HMRC you’ve changed your address.

Tell HMRC your name has changed. You’ll need a Government Gateway user ID and password. If you do not have a user ID you can create one when you update your name.

Your name will be updated automatically if you change gender.

There are different ways to tell HMRC if you:

only pay tax through Self Assessment
are a tax agent, for example an accountant

Tax agents can also update these details by phone or in writing.

View a printable version of the whole guide

Tell HMRC about a change to your personal details

Change of name or address

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Tell HMRC about a change to your personal details

Change of name or address

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