Self Assessment 2020 Deadline approaching all you need to know about self-assessment 2020
Self Assessment is a system HM Revenue and Customs (HMRC) uses to collect Income Tax.
Tax is usually deducted automatically from wages, pensions, and savings. People and businesses with other income must report it in a tax return.
If you need to send one, you fill it in after the end of the tax year (5 April) it applies to.
This guide is also available in Welsh (Cymraeg).
Sending your return
File your tax return online or send a paper form
Send your tax return by the deadline.
If you did not send an online return last year, allow extra time (up to 20 working days) as you’ll need to register first. There are different ways to register if you’re:
Filling in your return
You need to keep records (for example bank statements or receipts) so you can fill in your tax return correctly.
You can get help filling in your return.
Paying your bill
HMRC will calculate what you owe based on what you report.
Pay your Self Assessment bill by 31 January.
HM Revenue and Customs (HMRC) must receive your tax return and any money you owe by the deadline.
The last tax year started on 6 April 2018 and ended on 5 April 2019.
|Register for Self Assessment if you’re self-employed or a sole trader, not self-employed, or registering a partner or partnership||5 October 2019|
|Paper tax returns||Midnight 31 October 2019|
|Online tax returns||Midnight 31 January 2020|
|Pay the tax you owe||Midnight 31 January 2020|
There’s an additional payment deadline of 31 July if you make advance payments towards your bill (known as ‘payments on account’).
You’ll usually pay a penalty if you’re late. You can appeal against a penalty if you have a reasonable excuse.
When the deadline is different
Submit your online return by 30 December if you want HMRC to automatically collect tax you owe from your wages and pension. You must be eligible.
HMRC must receive a paper tax return by 31 January if you’re a trustee of a registered pension scheme or a non-resident company. You cannot send a return online.
HMRC might also email or write to you giving you a different deadline.
Partnership returns if you have a company as a partner
If your partnership’s accounting date is between 1 February and 5 April and one of your partners is a limited company, the deadline for:
You’ll get a penalty if you need to send a tax return and you miss the deadline for submitting it or paying your bill.
You’ll get a penalty of £100 if your tax return is up to 3 months late. You’ll have to pay more if it’s later, or if you pay your tax bill late. You’ll also be charged interest on late payments.
Estimate your penalty for Self Assessment tax returns more than 3 months late, and late payments.
You can appeal against a penalty if you have a reasonable excuse.