What to do at the end of the tax year (31 March)

Filing your income tax return

Work out if you need to file a return

Options for filing your return

If you're living or going overseas

Correcting errors on your return or summary of earnings

Refund or tax bill?

Income tax basics

How different types of income are taxed

Correcting errors on your income tax return or summary of earnings

Summary of earnings

If some of the information on your summary of earnings is incorrect or missing, and you don't need to file an IR3 tax return, please call us and we'll be able to update your details over the phone.

If you're filing an IR3 tax return, see the table below.

IR3 tax returns

If you realise after you've sent your IR3 to us, that you've made a small error or oversight on your return, we might be able to fix it for you over the phone. Please call us on 0800 377 774 to discuss your situation.

If you've made a large error, you might need to follow our formal disputes process. See "Find out more" below for details about disputing your assessment.

Find out more:

• Disputes resolution process

Date published: 21 Feb 2007

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• Putting your tax returns right IR280
• Taxpayer obligations, interest and penalties IR240
• Late payment and late filing penalties IR741
• Voluntary disclosure IR281

View all Individual income tax forms and guides ›

• INFOexpress
• How to set up a password on your tax account
• Individual income tax and general information