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Sign in and send your Self Assessment tax return online.

Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.

• Overview

  Self Assessment is a system HM Revenue and Customs (HMRC) uses to collect…

• Who must send a tax return

  You must send a tax return if, in the last tax year (6 April to 5 April),…

• Registering and sending a return

  You must register for Self Assessment if you have to send a tax return and…

• If you no longer need to send a tax return

  You must tell HMRC if you believe you no longer need to send a tax return.…

• Deadlines

  HM Revenue and Customs (HMRC) must receive your tax return and any money…

• Penalties

  You’ll get a penalty if you need to send a tax return and you miss the…

• If you need to change your return

  You can make a change to a tax return after you filed it, for example…

• How to get help

  If you need help with Self Assessment, you can: appoint someone to fill in…

• Returns for someone who has died

  If you’re the ‘personal representative’ (an executor or administrator) for…

Rules for digital and printed passport photos and how to get one

• Digital photos

  You need a digital photo to apply for a passport online. You must get a…

• Printed photos

  You need 2 identical printed photos if you are applying for a passport…

Take free official practice theory tests from the Driver and Vehicle Standards Agency (DVSA) for cars, motorcycles, lorries and buses

How to file your company annual accounts with Companies House

File changes to your company information including directors, shareholders and registered office address, and where your company records are kept

Visit the UK as a Standard Visitor for tourism, business, study (courses up to 6 months), medical treatment and other activities. Find out whether you need a Standard Visitor visa, or can visit without a visa.

Enrol and use HMRC's PAYE Online service to send payroll information to HMRC, to view the balance of what you owe, and to access tax codes and notices about your employees

File your Company Tax Return with HMRC, and your company accounts with Companies House

Use the Attendance Allowance claim form to apply for financial help for your personal care if you're disabled and State Pension age or older.

Print your SA302 tax calculation and tax year overview if you're applying for a mortgage and need proof of earnings.

Use this claim form to apply for DLA for children under 16, in England and Wales.

As an employer, if you provide company cars or fuel for your employees' private use, you'll need to work out the taxable value so you can report this to HMRC

This guidance is an introduction to the Open Document Format (ODF) standard and how you can select ODF-compliant solutions.

• Updated: 18 December 2018

Download HMRC's free payroll software Basic PAYE Tools

Manage, check and withdraw permission you've given to software applications to share and update your tax information

Contact HMRC with technical problems when using HMRC systems, sending forms online, error messages and using HMRC free software and tools

• Updated: 27 June 2023

Business expenses you can claim if you're self-employed

Incorporate a private limited company - register it with Companies House and rules on directors, shares, articles of association and telling HMRC about the company

Submit a claim for Gift Aid, the Gift Aid small donation scheme (GASDS) and other income; schedule spreadsheets; registering and enrolling for a Charities Online account; activation codes