Self assessment registration deadline You must register by 5 October after the end of the tax year. For example, if you need to complete a tax return for the tax year 6 April 2020 – 5 April 2021, you must register by 5 October 2021.

Is self assessment easy?

If you’ve never filled in a self-assessment tax return before, it can look daunting. But when you understand the process, it’s relatively simple – as long as you have all the information you need. P60 or other records showing how much income you received that you’ve already paid tax on.

When do you need to complete a self assessment tax return?

If you have to file a Self Assessment tax return for the 2018/19 tax year, you may do so from 5 April 2019. The due date for filing this return would be 31 January 2020. Who needs to complete a Self Assessment tax return? If you receive income that is not taxed at source, you probably need to complete a Self Assessment tax return.

Where can I get the self assessment form?

If you are filling the form in on paper, extra guidance is available from HMRC to help you through the process. You should have received this with your tax return; if you did not, you can download it from the HMRC website. If you are filing online, you will notice green question marks by each input field.

When is the deadline for a self assessment?

There are several Self Assessment deadlines, and the one to which you must adhere will depend on how you choose to file. January 31 is the date everyone knows, as it is the last possible date by which you must file.

Do you have to register with HMRC for self assessment?

HMRC’s online Self Assessment service is quite user friendly but getting access to it can be confusing. If you are registering as self-employed with HMRC for the first time, they will register you to be able to use their online Self Assessment service at the same time (although you will still need to ‘activate’ it, see below).