12 months
Deadlines for filing annual accounts with HMRC Each year you must file a Company Tax Return and pay Corporation Tax to HMRC. Your Company Tax Return (CT600) is due 12 months after your accounting period ends (see the above example).

Can you amend a CT600?

The company can make amendments to the CT600 tax return after it has been filed within 12 months from the filing date (see ¶40-720). This will adjust the company’s self-assessment. HMRC have indicated that any amendments can be made to the company tax return form by way of correspondence (see ¶40-820).

What is a CT600 tax return?

A CT600 form is part of a Company Tax Return. The form and other supporting documents constitute the Company Tax Return, which must be submitted to HMRC if a company receives a ‘Notice to Deliver a Company Tax Return’. Limited companies use the information in a CT600 form to calculate the Corporation Tax that they owe.

How do I resubmit my CT600?

To resubmit another Original tax return, you need to do the following:

  1. Start the software and open the record for which you want to submit an original return again.
  2. On the ‘Company Information’ screen, select the Accounting Period you want to amend, click ‘Edit Period’ and select ‘Tax return type’ of ‘New’

What is a CT208?

Return and payment reminder letter (CT208 (PR2)/CT208A) Issued to companies and agents 28 days before the filing date if no payment or return has been received. HMRC will stop issuing CT208 (PR2) to companies with an authorised agent.

Can I amend my 19 20 tax return?

You can make a change to your tax return after you’ve filed it, for example because you made a mistake. You’ll need to make your changes by: 31 January 2022 for the 2019 to 2020 tax year. 31 January 2023 for the 2020 to 2021 tax year.

When do I need to use CT600 version 3?

It will help us if you say what assistive technology you use. Use form CT600 (2020) Version 3 for accounting periods starting on or after 1 April 2015. This form has been updated in readiness for when a Northern Ireland ( NI) Executive together with the UK Government decide to introduce a devolved rate.

Is there a Welsh version of the CT600?

The Corporation Tax for Company Tax Return (CT600 (2021) Version 3) has been added. English and Welsh versions of the Corporation Tax for Company Tax Return (CT600 (2020) Version 3) have been updated. Welsh version of Corporation Tax for Company Tax Return (CT600 (2019) Version 3) has been updated.

When do you need to file a CT600 tax return?

The United Kingdom is leaving the European Union on 31 October 2019. Corporation Tax for Company Tax Return (CT600 (2019) Version 3) Use form CT600 (2019) Version 3 to file a Company Tax Return for accounting periods starting on or after 1 April 2015.

Where can I find the computations on my CT600?

The Computations are iXBRL tagged representation of the information you have included in your CT600, showing how we calculated your tax liability. They are available to download along with the CT600 and accounts you have created.